629172976031 has 16 divisors (see below), whose sum is σ = 643252337280. Its totient is φ = 615177008160.

The previous prime is 629172975979. The next prime is 629172976039. The reversal of 629172976031 is 130679271926.

It is a cyclic number.

It is not a de Polignac number, because 629172976031 - 2¹⁸ = 629172713887 is a prime.

It is a super-2 number, since 2×629172976031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629172976039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51552776 + ... + 51564978.

It is an arithmetic number, because the mean of its divisors is an integer number (40203271080).

Almost surely, 2^629172976031 is an apocalyptic number.

629172976031 is a deficient number, since it is larger than the sum of its proper divisors (14079361249).

629172976031 is a wasteful number, since it uses less digits than its factorization.

629172976031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15526.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 629172976031 in words is "six hundred twenty-nine billion, one hundred seventy-two million, nine hundred seventy-six thousand, thirty-one".