250655620139 has 2 divisors, whose sum is σ = 250655620140. Its totient is φ = 250655620138.

The previous prime is 250655620109. The next prime is 250655620207. The reversal of 250655620139 is 931026556052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250655620139 - 2³² = 246360652843 is a prime.

It is a super-3 number, since 3×250655620139³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 250655620139.

It is not a weakly prime, because it can be changed into another prime (250655620109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125327810069 + 125327810070.

It is an arithmetic number, because the mean of its divisors is an integer number (125327810070).

Almost surely, 2^250655620139 is an apocalyptic number.

250655620139 is a deficient number, since it is larger than the sum of its proper divisors (1).

250655620139 is an equidigital number, since it uses as much as digits as its factorization.

250655620139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 250655620139 in words is "two hundred fifty billion, six hundred fifty-five million, six hundred twenty thousand, one hundred thirty-nine".