3490715521 has 16 divisors (see below), whose sum is σ = 3639168000. Its totient is φ = 3345604288.

The previous prime is 3490715489. The next prime is 3490715539. The reversal of 3490715521 is 1255170943.

It is a cyclic number.

It is not a de Polignac number, because 3490715521 - 2⁵ = 3490715489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3490715551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790055 + ... + 1792003.

It is an arithmetic number, because the mean of its divisors is an integer number (227448000).

Almost surely, 2^3490715521 is an apocalyptic number.

It is an amenable number.

3490715521 is a deficient number, since it is larger than the sum of its proper divisors (148452479).

3490715521 is a wasteful number, since it uses less digits than its factorization.

3490715521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3490715521 is about 59082.2775542717. The cubic root of 3490715521 is about 1516.9507662834.

The spelling of 3490715521 in words is "three billion, four hundred ninety million, seven hundred fifteen thousand, five hundred twenty-one".