629306369 has 2 divisors, whose sum is σ = 629306370. Its totient is φ = 629306368.

The previous prime is 629306347. The next prime is 629306371. The reversal of 629306369 is 963603926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624400144 + 4906225 = 24988^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 629306369 - 2⁸ = 629306113 is a prime.

It is a super-2 number, since 2×629306369² = 792053012127928322, which contains 22 as substring.

Together with 629306371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (629306329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314653184 + 314653185.

It is an arithmetic number, because the mean of its divisors is an integer number (314653185).

Almost surely, 2^629306369 is an apocalyptic number.

It is an amenable number.

629306369 is a deficient number, since it is larger than the sum of its proper divisors (1).

629306369 is an equidigital number, since it uses as much as digits as its factorization.

629306369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 629306369 is about 25085.9795304070. The cubic root of 629306369 is about 856.9471571300.

The spelling of 629306369 in words is "six hundred twenty-nine million, three hundred six thousand, three hundred sixty-nine".