629912390870 has 48 divisors (see below), whose sum is σ = 1367610399648. Its totient is φ = 204603114240.

The previous prime is 629912390843. The next prime is 629912390873. The reversal of 629912390870 is 78093219926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629912390873) 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 23 ways as a sum of consecutive naturals, for example, 12438371 + ... + 12488910.

It is an arithmetic number, because the mean of its divisors is an integer number (28491883326).

Almost surely, 2^629912390870 is an apocalyptic number.

629912390870 is an abundant number, since it is smaller than the sum of its proper divisors (737698008778).

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

629912390870 is a wasteful number, since it uses less digits than its factorization.

629912390870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927333 (or 24927314 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 629912390870 in words is "six hundred twenty-nine billion, nine hundred twelve million, three hundred ninety thousand, eight hundred seventy".