250580648639 has 2 divisors, whose sum is σ = 250580648640. Its totient is φ = 250580648638.

The previous prime is 250580648579. The next prime is 250580648641. The reversal of 250580648639 is 936846085052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250580648639 - 2¹² = 250580644543 is a prime.

It is a super-2 number, since 2×250580648639² (a number of 24 digits) contains 22 as substring.

Together with 250580648641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250580641639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125290324319 + 125290324320.

It is an arithmetic number, because the mean of its divisors is an integer number (125290324320).

Almost surely, 2^250580648639 is an apocalyptic number.

250580648639 is a deficient number, since it is larger than the sum of its proper divisors (1).

250580648639 is an equidigital number, since it uses as much as digits as its factorization.

250580648639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 250580648639 in words is "two hundred fifty billion, five hundred eighty million, six hundred forty-eight thousand, six hundred thirty-nine".