68913466890 has 32 divisors (see below), whose sum is σ = 165568150656. Its totient is φ = 18357387840.

The previous prime is 68913466889. The next prime is 68913466901. The reversal of 68913466890 is 9866431986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192342 + ... + 1248801.

It is an arithmetic number, because the mean of its divisors is an integer number (5174004708).

Almost surely, 2^68913466890 is an apocalyptic number.

68913466890 is an abundant number, since it is smaller than the sum of its proper divisors (96654683766).

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

68913466890 is a wasteful number, since it uses less digits than its factorization.

68913466890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442094.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 68913466890 in words is "sixty-eight billion, nine hundred thirteen million, four hundred sixty-six thousand, eight hundred ninety".