3718453690 has 96 divisors (see below), whose sum is σ = 8269601040. Its totient is φ = 1196181504.

The previous prime is 3718453679. The next prime is 3718453693. The reversal of 3718453690 is 963548173.

It can be written as a sum of positive squares in 8 ways, for example, as 3279509289 + 438944401 = 57267^2 + 20951^2 .

It is a super-2 number, since 2×3718453690² = 27653795689349232200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3718453690.

It is not an unprimeable number, because it can be changed into a prime (3718453693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4239532 + ... + 4240408.

Almost surely, 2^3718453690 is an apocalyptic number.

3718453690 is an abundant number, since it is smaller than the sum of its proper divisors (4551147350).

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

3718453690 is a wasteful number, since it uses less digits than its factorization.

3718453690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 3718453690 is about 60979.1250347199. The cubic root of 3718453690 is about 1549.2474584869.

The spelling of 3718453690 in words is "three billion, seven hundred eighteen million, four hundred fifty-three thousand, six hundred ninety".