42559994495579 has 6 divisors (see below), whose sum is σ = 46780820396100. Its totient is φ = 38690904086780.

The previous prime is 42559994495531. The next prime is 42559994495651. The reversal of 42559994495579 is 97559449995524.

It is not a de Polignac number, because 42559994495579 - 2²⁰ = 42559993447003 is a prime.

It is a super-2 number, since 2×42559994495579² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42559994495579.

It is not an unprimeable number, because it can be changed into a prime (42559994425579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175867745729 + ... + 175867745970.

It is an arithmetic number, because the mean of its divisors is an integer number (7796803399350).

Almost surely, 2^{42559994495579} is an apocalyptic number.

42559994495579 is a deficient number, since it is larger than the sum of its proper divisors (4220825900521).

42559994495579 is a wasteful number, since it uses less digits than its factorization.

42559994495579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351735491721 (or 351735491710 counting only the distinct ones).

The product of its digits is 33067440000, while the sum is 86.

Subtracting 42559994495579 from its reverse (97559449995524), we obtain a palindrome (54999455499945).

It can be divided in two parts, 4255999 and 4495579, that added together give a palindrome (8751578).

The spelling of 42559994495579 in words is "forty-two trillion, five hundred fifty-nine billion, nine hundred ninety-four million, four hundred ninety-five thousand, five hundred seventy-nine".