5639051256 has 32 divisors (see below), whose sum is σ = 14179127760. Its totient is φ = 1868817152.

The previous prime is 5639051237. The next prime is 5639051269. The reversal of 5639051256 is 6521509365.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 674925 + ... + 683228.

Almost surely, 2^5639051256 is an apocalyptic number.

It is an amenable number.

5639051256 is an abundant number, since it is smaller than the sum of its proper divisors (8540076504).

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

5639051256 is a wasteful number, since it uses less digits than its factorization.

5639051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358335 (or 1358331 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 5639051256 is about 75093.6166128653. The cubic root of 5639051256 is about 1779.9262747733.

The spelling of 5639051256 in words is "five billion, six hundred thirty-nine million, fifty-one thousand, two hundred fifty-six".