3718649025 has 72 divisors (see below), whose sum is σ = 8197600320. Its totient is φ = 1569179520.

The previous prime is 3718649009. The next prime is 3718649041. The reversal of 3718649025 is 5209468173.

3718649025 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3718649009) and next prime (3718649041).

It is not a de Polignac number, because 3718649025 - 2⁴ = 3718649009 is a prime.

It is a super-2 number, since 2×3718649025² = 27656701142266901250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

3718649025 is strictly pandigital in base 10.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70335 + ... + 111284.

It is an arithmetic number, because the mean of its divisors is an integer number (113855560).

It is a 1-persistent number, because it is pandigital, but 2⋅3718649025 = 7437298050 is not.

Almost surely, 2^3718649025 is an apocalyptic number.

3718649025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3718649025 is an abundant number, since it is smaller than the sum of its proper divisors (4478951295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3718649025 is a wasteful number, since it uses less digits than its factorization.

3718649025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181655 (or 181647 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3718649025 is about 60980.7266683499. The cubic root of 3718649025 is about 1549.2745859775.

The spelling of 3718649025 in words is "three billion, seven hundred eighteen million, six hundred forty-nine thousand, twenty-five".