252339816551443 has 2 divisors, whose sum is σ = 252339816551444. Its totient is φ = 252339816551442.

The previous prime is 252339816551371. The next prime is 252339816551477. The reversal of 252339816551443 is 344155618933252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252339816551443 - 2³⁷ = 252202377597971 is a prime.

It is a super-2 number, since 2×252339816551443² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252339816551843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126169908275721 + 126169908275722.

It is an arithmetic number, because the mean of its divisors is an integer number (126169908275722).

Almost surely, 2^{252339816551443} is an apocalyptic number.

252339816551443 is a deficient number, since it is larger than the sum of its proper divisors (1).

252339816551443 is an equidigital number, since it uses as much as digits as its factorization.

252339816551443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312000, while the sum is 61.

The spelling of 252339816551443 in words is "two hundred fifty-two trillion, three hundred thirty-nine billion, eight hundred sixteen million, five hundred fifty-one thousand, four hundred forty-three".