622694520451 has 2 divisors, whose sum is σ = 622694520452. Its totient is φ = 622694520450.

The previous prime is 622694520449. The next prime is 622694520491. The reversal of 622694520451 is 154025496226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622694520451 - 2¹ = 622694520449 is a prime.

Together with 622694520449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (622694520491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311347260225 + 311347260226.

It is an arithmetic number, because the mean of its divisors is an integer number (311347260226).

Almost surely, 2^622694520451 is an apocalyptic number.

622694520451 is a deficient number, since it is larger than the sum of its proper divisors (1).

622694520451 is an equidigital number, since it uses as much as digits as its factorization.

622694520451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 622694520451 in words is "six hundred twenty-two billion, six hundred ninety-four million, five hundred twenty thousand, four hundred fifty-one".