250630878721 has 16 divisors (see below), whose sum is σ = 271614211200. Its totient is φ = 230633682048.

The previous prime is 250630878653. The next prime is 250630878731. The reversal of 250630878721 is 127878036052.

It is a cyclic number.

It is not a de Polignac number, because 250630878721 - 2¹⁵ = 250630845953 is a prime.

It is a super-2 number, since 2×250630878721² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250630878731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578831 + ... + 1730308.

It is an arithmetic number, because the mean of its divisors is an integer number (16975888200).

Almost surely, 2^250630878721 is an apocalyptic number.

It is an amenable number.

250630878721 is a deficient number, since it is larger than the sum of its proper divisors (20983332479).

250630878721 is a wasteful number, since it uses less digits than its factorization.

250630878721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309288.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 250630878721 in words is "two hundred fifty billion, six hundred thirty million, eight hundred seventy-eight thousand, seven hundred twenty-one".