629680914678 has 16 divisors (see below), whose sum is σ = 1259519483376. Its totient is φ = 209867362560.

The previous prime is 629680914607. The next prime is 629680914689. The reversal of 629680914678 is 876419086926.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6516963 + ... + 6612878.

It is an arithmetic number, because the mean of its divisors is an integer number (78719967711).

Almost surely, 2^629680914678 is an apocalyptic number.

629680914678 is an abundant number, since it is smaller than the sum of its proper divisors (629838568698).

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

629680914678 is a wasteful number, since it uses less digits than its factorization.

629680914678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137839.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 629680914678 in words is "six hundred twenty-nine billion, six hundred eighty million, nine hundred fourteen thousand, six hundred seventy-eight".