3718651825 has 96 divisors (see below), whose sum is σ = 5857125120. Its totient is φ = 2283724800.

The previous prime is 3718651819. The next prime is 3718651829. The reversal of 3718651825 is 5281568173.

It is not a de Polignac number, because 3718651825 - 2⁵ = 3718651793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3718651829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5244571 + ... + 5245279.

It is an arithmetic number, because the mean of its divisors is an integer number (61011720).

Almost surely, 2^3718651825 is an apocalyptic number.

3718651825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3718651825 is a deficient number, since it is larger than the sum of its proper divisors (2138473295).

3718651825 is a wasteful number, since it uses less digits than its factorization.

3718651825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 822 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 3718651825 is about 60980.7496264190. The cubic root of 3718651825 is about 1549.2749748255.

The spelling of 3718651825 in words is "three billion, seven hundred eighteen million, six hundred fifty-one thousand, eight hundred twenty-five".