542979107993 has 32 divisors (see below), whose sum is σ = 681278895360. Its totient is φ = 421951057920.

The previous prime is 542979107989. The next prime is 542979108017. The reversal of 542979107993 is 399701979245.

It is not a de Polignac number, because 542979107993 - 2² = 542979107989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542979107933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1312598 + ... + 1675968.

It is an arithmetic number, because the mean of its divisors is an integer number (21289965480).

Almost surely, 2^542979107993 is an apocalyptic number.

It is an amenable number.

542979107993 is a deficient number, since it is larger than the sum of its proper divisors (138299787367).

542979107993 is a wasteful number, since it uses less digits than its factorization.

542979107993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363857.

The product of its (nonzero) digits is 38578680, while the sum is 65.

The spelling of 542979107993 in words is "five hundred forty-two billion, nine hundred seventy-nine million, one hundred seven thousand, nine hundred ninety-three".