649255034 has 8 divisors (see below), whose sum is σ = 974003508. Its totient is φ = 324587200.

The previous prime is 649255003. The next prime is 649255043. The reversal of 649255034 is 430552946.

It can be written as a sum of positive squares in 2 ways, for example, as 585494809 + 63760225 = 24197^2 + 7985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7634 + ... + 36834.

Almost surely, 2^649255034 is an apocalyptic number.

649255034 is a deficient number, since it is larger than the sum of its proper divisors (324748474).

649255034 is a wasteful number, since it uses less digits than its factorization.

649255034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40320.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 649255034 is about 25480.4833941588. The cubic root of 649255034 is about 865.9080461758.

The spelling of 649255034 in words is "six hundred forty-nine million, two hundred fifty-five thousand, thirty-four".