629264677631 has 2 divisors, whose sum is σ = 629264677632. Its totient is φ = 629264677630.

The previous prime is 629264677627. The next prime is 629264677651. The reversal of 629264677631 is 136776462926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629264677631 - 2² = 629264677627 is a prime.

It is a super-2 number, since 2×629264677631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629264677651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314632338815 + 314632338816.

It is an arithmetic number, because the mean of its divisors is an integer number (314632338816).

Almost surely, 2^629264677631 is an apocalyptic number.

629264677631 is a deficient number, since it is larger than the sum of its proper divisors (1).

629264677631 is an equidigital number, since it uses as much as digits as its factorization.

629264677631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 59.

The spelling of 629264677631 in words is "six hundred twenty-nine billion, two hundred sixty-four million, six hundred seventy-seven thousand, six hundred thirty-one".