68959863630 has 96 divisors (see below), whose sum is σ = 211519346688. Its totient is φ = 15253790400.

The previous prime is 68959863629. The next prime is 68959863677. The reversal of 68959863630 is 3636895986.

68959863630 is a `hidden beast` number, since 6 + 8 + 9 + 598 + 6 + 3 + 6 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1745956 + ... + 1785015.

It is an arithmetic number, because the mean of its divisors is an integer number (2203326528).

Almost surely, 2^68959863630 is an apocalyptic number.

68959863630 is an abundant number, since it is smaller than the sum of its proper divisors (142559483058).

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

68959863630 is a wasteful number, since it uses less digits than its factorization.

68959863630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531022 (or 3531019 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 68959863630 in words is "sixty-eight billion, nine hundred fifty-nine million, eight hundred sixty-three thousand, six hundred thirty".