256383027698 has 32 divisors (see below), whose sum is σ = 450885875328. Its totient is φ = 107043177600.

The previous prime is 256383027683. The next prime is 256383027713. The reversal of 256383027698 is 896720383652.

It is an interprime number because it is at equal distance from previous prime (256383027683) and next prime (256383027713).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73436 + ... + 719832.

It is an arithmetic number, because the mean of its divisors is an integer number (14090183604).

Almost surely, 2^256383027698 is an apocalyptic number.

256383027698 is a deficient number, since it is larger than the sum of its proper divisors (194502847630).

256383027698 is a wasteful number, since it uses less digits than its factorization.

256383027698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647138.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 256383027698 in words is "two hundred fifty-six billion, three hundred eighty-three million, twenty-seven thousand, six hundred ninety-eight".