252627889291 has 2 divisors, whose sum is σ = 252627889292. Its totient is φ = 252627889290.

The previous prime is 252627889273. The next prime is 252627889321. The reversal of 252627889291 is 192988726252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252627889291 - 2⁵ = 252627889259 is a prime.

It is not a weakly prime, because it can be changed into another prime (252627889691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126313944645 + 126313944646.

It is an arithmetic number, because the mean of its divisors is an integer number (126313944646).

Almost surely, 2^252627889291 is an apocalyptic number.

252627889291 is a deficient number, since it is larger than the sum of its proper divisors (1).

252627889291 is an equidigital number, since it uses as much as digits as its factorization.

252627889291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 61.

The spelling of 252627889291 in words is "two hundred fifty-two billion, six hundred twenty-seven million, eight hundred eighty-nine thousand, two hundred ninety-one".