629361427 has 2 divisors, whose sum is σ = 629361428. Its totient is φ = 629361426.

The previous prime is 629361413. The next prime is 629361433. The reversal of 629361427 is 724163926.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629361427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629361427.

It is not a weakly prime, because it can be changed into another prime (629361487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314680713 + 314680714.

It is an arithmetic number, because the mean of its divisors is an integer number (314680714).

Almost surely, 2^629361427 is an apocalyptic number.

629361427 is a deficient number, since it is larger than the sum of its proper divisors (1).

629361427 is an equidigital number, since it uses as much as digits as its factorization.

629361427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 629361427 is about 25087.0768922966. The cubic root of 629361427 is about 856.9721478304.

The spelling of 629361427 in words is "six hundred twenty-nine million, three hundred sixty-one thousand, four hundred twenty-seven".