42331437679 has 4 divisors (see below), whose sum is σ = 42507087040. Its totient is φ = 42155788320.

The previous prime is 42331437667. The next prime is 42331437703. The reversal of 42331437679 is 97673413324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42331437679 - 2¹¹ = 42331435631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331437179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87824319 + ... + 87824800.

It is an arithmetic number, because the mean of its divisors is an integer number (10626771760).

Almost surely, 2^42331437679 is an apocalyptic number.

42331437679 is a deficient number, since it is larger than the sum of its proper divisors (175649361).

42331437679 is a wasteful number, since it uses less digits than its factorization.

42331437679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175649360.

The product of its digits is 2286144, while the sum is 49.

The spelling of 42331437679 in words is "forty-two billion, three hundred thirty-one million, four hundred thirty-seven thousand, six hundred seventy-nine".