6456604634 has 16 divisors (see below), whose sum is σ = 9733090248. Its totient is φ = 3212273472.

The previous prime is 6456604579. The next prime is 6456604703. The reversal of 6456604634 is 4364066546.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1112556025 + 5344048609 = 33355^2 + 73103^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420704 + ... + 435780.

Almost surely, 2^6456604634 is an apocalyptic number.

6456604634 is a deficient number, since it is larger than the sum of its proper divisors (3276485614).

6456604634 is a wasteful number, since it uses less digits than its factorization.

6456604634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16129.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The square root of 6456604634 is about 80353.0001555636. Note that the first 3 decimals coincide. The cubic root of 6456604634 is about 1862.0931300123.

The spelling of 6456604634 in words is "six billion, four hundred fifty-six million, six hundred four thousand, six hundred thirty-four".