83969042994 has 12 divisors (see below), whose sum is σ = 181932926526. Its totient is φ = 27989680992.

The previous prime is 83969042987. The next prime is 83969043013. The reversal of 83969042994 is 49924096938.

It is a happy number.

83969042994 is a `hidden beast` number, since 8 + 39 + 6 + 90 + 429 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73638963225 + 10330079769 = 271365^2 + 101637^2 .

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 5 ways as a sum of consecutive naturals, for example, 2332473399 + ... + 2332473434.

Almost surely, 2^83969042994 is an apocalyptic number.

83969042994 is an abundant number, since it is smaller than the sum of its proper divisors (97963883532).

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

83969042994 is a wasteful number, since it uses less digits than its factorization.

83969042994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664946841 (or 4664946838 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 83969042994 in words is "eighty-three billion, nine hundred sixty-nine million, forty-two thousand, nine hundred ninety-four".