625135062031429 has 2 divisors, whose sum is σ = 625135062031430. Its totient is φ = 625135062031428.

The previous prime is 625135062031391. The next prime is 625135062031481. The reversal of 625135062031429 is 924130260531526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559672480130404 + 65462581901025 = 23657398^2 + 8090895^2 .

It is a cyclic number.

It is not a de Polignac number, because 625135062031429 - 2¹⁹ = 625135061507141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625135062731429) 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, 312567531015714 + 312567531015715.

It is an arithmetic number, because the mean of its divisors is an integer number (312567531015715).

Almost surely, 2^{625135062031429} is an apocalyptic number.

It is an amenable number.

625135062031429 is a deficient number, since it is larger than the sum of its proper divisors (1).

625135062031429 is an equidigital number, since it uses as much as digits as its factorization.

625135062031429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 625135062031429 in words is "six hundred twenty-five trillion, one hundred thirty-five billion, sixty-two million, thirty-one thousand, four hundred twenty-nine".