629420979293 has 2 divisors, whose sum is σ = 629420979294. Its totient is φ = 629420979292.

The previous prime is 629420979277. The next prime is 629420979307. The reversal of 629420979293 is 392979024926.

It is a happy number.

629420979293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597866075524 + 31554903769 = 773218^2 + 177637^2 .

It is a cyclic number.

It is not a de Polignac number, because 629420979293 - 2⁴ = 629420979277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629420979233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314710489646 + 314710489647.

It is an arithmetic number, because the mean of its divisors is an integer number (314710489647).

Almost surely, 2^629420979293 is an apocalyptic number.

It is an amenable number.

629420979293 is a deficient number, since it is larger than the sum of its proper divisors (1).

629420979293 is an equidigital number, since it uses as much as digits as its factorization.

629420979293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 629420979293 in words is "six hundred twenty-nine billion, four hundred twenty million, nine hundred seventy-nine thousand, two hundred ninety-three".