42993591568 has 20 divisors (see below), whose sum is σ = 83384171008. Its totient is φ = 21475095840.

The previous prime is 42993591541. The next prime is 42993591577. The reversal of 42993591568 is 86519539924.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339896 + ... + 1371607.

Almost surely, 2^42993591568 is an apocalyptic number.

It is an amenable number.

42993591568 is a deficient number, since it is larger than the sum of its proper divisors (40390579440).

42993591568 is a wasteful number, since it uses less digits than its factorization.

42993591568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712502 (or 2712496 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 61.

The spelling of 42993591568 in words is "forty-two billion, nine hundred ninety-three million, five hundred ninety-one thousand, five hundred sixty-eight".