630625922429 has 2 divisors, whose sum is σ = 630625922430. Its totient is φ = 630625922428.

The previous prime is 630625922417. The next prime is 630625922471. The reversal of 630625922429 is 924229526036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317647214404 + 312978708025 = 563602^2 + 559445^2 .

It is a cyclic number.

It is not a de Polignac number, because 630625922429 - 2²⁴ = 630609145213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630625924429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315312961214 + 315312961215.

It is an arithmetic number, because the mean of its divisors is an integer number (315312961215).

Almost surely, 2^630625922429 is an apocalyptic number.

It is an amenable number.

630625922429 is a deficient number, since it is larger than the sum of its proper divisors (1).

630625922429 is an equidigital number, since it uses as much as digits as its factorization.

630625922429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 630625922429 in words is "six hundred thirty billion, six hundred twenty-five million, nine hundred twenty-two thousand, four hundred twenty-nine".