3496656904225 has 9 divisors (see below), whose sum is σ = 4335866154867. Its totient is φ = 2797318043640.

The previous prime is 3496656904193. The next prime is 3496656904229. The reversal of 3496656904225 is 5224096566943.

The square root of 3496656904225 is 1869935.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1258796485521 + 2237860418704 = 1121961^2 + 1495948^2 .

It is not a de Polignac number, because 3496656904225 - 2⁵ = 3496656904193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3496656904229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9162682 + ... + 9536668.

Almost surely, 2^{3496656904225} is an apocalyptic number.

3496656904225 is the 1869935-th square number.

3496656904225 is the 934968-th centered octagonal number.

It is an amenable number.

3496656904225 is a deficient number, since it is larger than the sum of its proper divisors (839209250642).

3496656904225 is an frugal number, since it uses more digits than its factorization.

3496656904225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747984 (or 373992 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 61.

The spelling of 3496656904225 in words is "three trillion, four hundred ninety-six billion, six hundred fifty-six million, nine hundred four thousand, two hundred twenty-five".