250540557713 has 4 divisors (see below), whose sum is σ = 251465061888. Its totient is φ = 249616053540.

The previous prime is 250540557689. The next prime is 250540557749. The reversal of 250540557713 is 317755045052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250540557713 - 2¹² = 250540553617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250540557763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462251681 + ... + 462252222.

It is an arithmetic number, because the mean of its divisors is an integer number (62866265472).

Almost surely, 2^250540557713 is an apocalyptic number.

It is an amenable number.

250540557713 is a deficient number, since it is larger than the sum of its proper divisors (924504175).

250540557713 is an equidigital number, since it uses as much as digits as its factorization.

250540557713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924504174.

The product of its (nonzero) digits is 735000, while the sum is 44.

The spelling of 250540557713 in words is "two hundred fifty billion, five hundred forty million, five hundred fifty-seven thousand, seven hundred thirteen".