250831900013 has 4 divisors (see below), whose sum is σ = 250835264220. Its totient is φ = 250828535808.

The previous prime is 250831899953. The next prime is 250831900051. The reversal of 250831900013 is 310009138052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75502949284 + 175328950729 = 274778^2 + 418723^2 .

It is a cyclic number.

It is not a de Polignac number, because 250831900013 - 2⁶ = 250831899949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250831905013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567670 + ... + 1720247.

It is an arithmetic number, because the mean of its divisors is an integer number (62708816055).

Almost surely, 2^250831900013 is an apocalyptic number.

It is an amenable number.

250831900013 is a deficient number, since it is larger than the sum of its proper divisors (3364207).

250831900013 is an equidigital number, since it uses as much as digits as its factorization.

250831900013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364206.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 250831900013 in words is "two hundred fifty billion, eight hundred thirty-one million, nine hundred thousand, thirteen".