250913865423 has 16 divisors (see below), whose sum is σ = 379249028480. Its totient is φ = 146281767264.

The previous prime is 250913865421. The next prime is 250913865427. The reversal of 250913865423 is 324568319052.

It is not a de Polignac number, because 250913865423 - 2¹ = 250913865421 is a prime.

It is a super-2 number, since 2×250913865423² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250913865421) 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, 169306861 + ... + 169308342.

It is an arithmetic number, because the mean of its divisors is an integer number (23703064280).

Almost surely, 2^250913865423 is an apocalyptic number.

250913865423 is a deficient number, since it is larger than the sum of its proper divisors (128335163057).

250913865423 is a wasteful number, since it uses less digits than its factorization.

250913865423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338615238.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 250913865423 in words is "two hundred fifty billion, nine hundred thirteen million, eight hundred sixty-five thousand, four hundred twenty-three".