67945818942 has 12 divisors (see below), whose sum is σ = 147215941080. Its totient is φ = 22648606308.

The previous prime is 67945818937. The next prime is 67945819043. The reversal of 67945818942 is 24981854976.

67945818942 is a `hidden beast` number, since 6 + 7 + 9 + 4 + 581 + 8 + 9 + 42 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67945818942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1887383842 + ... + 1887383877.

It is an arithmetic number, because the mean of its divisors is an integer number (12267995090).

Almost surely, 2^67945818942 is an apocalyptic number.

67945818942 is an abundant number, since it is smaller than the sum of its proper divisors (79270122138).

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

67945818942 is a wasteful number, since it uses less digits than its factorization.

67945818942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774767727 (or 3774767724 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 67945818942 in words is "sixty-seven billion, nine hundred forty-five million, eight hundred eighteen thousand, nine hundred forty-two".