42861432579 has 16 divisors (see below), whose sum is σ = 66232558080. Its totient is φ = 24147285120.

The previous prime is 42861432577. The next prime is 42861432661. The reversal of 42861432579 is 97523416824.

It is not a de Polignac number, because 42861432579 - 2¹ = 42861432577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42861432577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14371894 + ... + 14374875.

It is an arithmetic number, because the mean of its divisors is an integer number (4139534880).

Almost surely, 2^42861432579 is an apocalyptic number.

42861432579 is a deficient number, since it is larger than the sum of its proper divisors (23371125501).

42861432579 is a wasteful number, since it uses less digits than its factorization.

42861432579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28746850.

The product of its digits is 2903040, while the sum is 51.

The spelling of 42861432579 in words is "forty-two billion, eight hundred sixty-one million, four hundred thirty-two thousand, five hundred seventy-nine".