68994049986 has 24 divisors (see below), whose sum is σ = 149492420220. Its totient is φ = 22997199456.

The previous prime is 68994049981. The next prime is 68994050003.

It is a happy number.

68994049986 is a `hidden beast` number, since 6 + 8 + 99 + 40 + 499 + 8 + 6 = 666.

68994049986 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 67987955025 + 1006094961 = 260745^2 + 31719^2 .

It is not an unprimeable number, because it can be changed into a prime (68994049981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666960 + ... + 763428.

Almost surely, 2^68994049986 is an apocalyptic number.

68994049986 is an abundant number, since it is smaller than the sum of its proper divisors (80498370234).

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

68994049986 is a wasteful number, since it uses less digits than its factorization.

68994049986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136210 (or 136207 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 68994049986 in words is "sixty-eight billion, nine hundred ninety-four million, forty-nine thousand, nine hundred eighty-six".