250936795381 has 2 divisors, whose sum is σ = 250936795382. Its totient is φ = 250936795380.

The previous prime is 250936795339. The next prime is 250936795393. The reversal of 250936795381 is 183597639052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216909090225 + 34027705156 = 465735^2 + 184466^2 .

It is a cyclic number.

It is not a de Polignac number, because 250936795381 - 2¹⁵ = 250936762613 is a prime.

It is a super-2 number, since 2×250936795381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250936795181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125468397690 + 125468397691.

It is an arithmetic number, because the mean of its divisors is an integer number (125468397691).

Almost surely, 2^250936795381 is an apocalyptic number.

It is an amenable number.

250936795381 is a deficient number, since it is larger than the sum of its proper divisors (1).

250936795381 is an equidigital number, since it uses as much as digits as its factorization.

250936795381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 250936795381 in words is "two hundred fifty billion, nine hundred thirty-six million, seven hundred ninety-five thousand, three hundred eighty-one".