629671007988 has 288 divisors, whose sum is σ = 1826266565760. Its totient is φ = 189684633600.

The previous prime is 629671007963. The next prime is 629671007989. The reversal of 629671007988 is 889700176926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629671007989) 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 95 ways as a sum of consecutive naturals, for example, 234164148 + ... + 234166836.

Almost surely, 2^629671007988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629671007988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913133282880).

629671007988 is an abundant number, since it is smaller than the sum of its proper divisors (1196595557772).

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

629671007988 is a wasteful number, since it uses less digits than its factorization.

629671007988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 629671007988 in words is "six hundred twenty-nine billion, six hundred seventy-one million, seven thousand, nine hundred eighty-eight".