622629242429 has 2 divisors, whose sum is σ = 622629242430. Its totient is φ = 622629242428.

The previous prime is 622629242419. The next prime is 622629242447. The reversal of 622629242429 is 924242926226.

622629242429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619057387204 + 3571855225 = 786802^2 + 59765^2 .

It is a cyclic number.

It is not a de Polignac number, because 622629242429 - 2¹² = 622629238333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622629242419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311314621214 + 311314621215.

It is an arithmetic number, because the mean of its divisors is an integer number (311314621215).

It is a self-describing number.

Almost surely, 2^622629242429 is an apocalyptic number.

It is an amenable number.

622629242429 is a deficient number, since it is larger than the sum of its proper divisors (1).

622629242429 is an equidigital number, since it uses as much as digits as its factorization.

622629242429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 50.

The spelling of 622629242429 in words is "six hundred twenty-two billion, six hundred twenty-nine million, two hundred forty-two thousand, four hundred twenty-nine".