629864001956 has 48 divisors (see below), whose sum is σ = 1283660058240. Its totient is φ = 264814717440.

The previous prime is 629864001929. The next prime is 629864001959. The reversal of 629864001956 is 659100468926.

It is not an unprimeable number, because it can be changed into a prime (629864001959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14106875 + ... + 14151453.

It is an arithmetic number, because the mean of its divisors is an integer number (26742917880).

Almost surely, 2^629864001956 is an apocalyptic number.

It is an amenable number.

629864001956 is an abundant number, since it is smaller than the sum of its proper divisors (653796056284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629864001956 is a wasteful number, since it uses less digits than its factorization.

629864001956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54164 (or 54162 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 629864001956 in words is "six hundred twenty-nine billion, eight hundred sixty-four million, one thousand, nine hundred fifty-six".