622629252529 has 2 divisors, whose sum is σ = 622629252530. Its totient is φ = 622629252528.

The previous prime is 622629252527. The next prime is 622629252589. The reversal of 622629252529 is 925252926226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399607301025 + 223021951504 = 632145^2 + 472252^2 .

It is a cyclic number.

It is not a de Polignac number, because 622629252529 - 2¹ = 622629252527 is a prime.

It is a super-2 number, since 2×622629252529² (a number of 24 digits) contains 22 as substring.

Together with 622629252527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (622629252527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311314626264 + 311314626265.

It is an arithmetic number, because the mean of its divisors is an integer number (311314626265).

It is a self-describing number.

Almost surely, 2^622629252529 is an apocalyptic number.

It is an amenable number.

622629252529 is a deficient number, since it is larger than the sum of its proper divisors (1).

622629252529 is an equidigital number, since it uses as much as digits as its factorization.

622629252529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The spelling of 622629252529 in words is "six hundred twenty-two billion, six hundred twenty-nine million, two hundred fifty-two thousand, five hundred twenty-nine".