252430340051969 has 2 divisors, whose sum is σ = 252430340051970. Its totient is φ = 252430340051968.

The previous prime is 252430340051957. The next prime is 252430340052043. The reversal of 252430340051969 is 969150043034252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132472273315600 + 119958066736369 = 11509660^2 + 10952537^2 .

It is a cyclic number.

It is not a de Polignac number, because 252430340051969 - 2⁸ = 252430340051713 is a prime.

It is a super-2 number, since 2×252430340051969² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252430340051969.

It is not a weakly prime, because it can be changed into another prime (252430340057969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126215170025984 + 126215170025985.

It is an arithmetic number, because the mean of its divisors is an integer number (126215170025985).

Almost surely, 2^{252430340051969} is an apocalyptic number.

It is an amenable number.

252430340051969 is a deficient number, since it is larger than the sum of its proper divisors (1).

252430340051969 is an equidigital number, since it uses as much as digits as its factorization.

252430340051969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 252430340051969 in words is "two hundred fifty-two trillion, four hundred thirty billion, three hundred forty million, fifty-one thousand, nine hundred sixty-nine".