42562042789 has 4 divisors (see below), whose sum is σ = 48642334624. Its totient is φ = 36481750956.

The previous prime is 42562042781. The next prime is 42562042799. The reversal of 42562042789 is 98724026524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42562042789 - 2³ = 42562042781 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 (42562042781) 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, 3040145907 + ... + 3040145920.

It is an arithmetic number, because the mean of its divisors is an integer number (12160583656).

Almost surely, 2^42562042789 is an apocalyptic number.

It is an amenable number.

42562042789 is a deficient number, since it is larger than the sum of its proper divisors (6080291835).

42562042789 is an equidigital number, since it uses as much as digits as its factorization.

42562042789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080291834.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 42562042789 in words is "forty-two billion, five hundred sixty-two million, forty-two thousand, seven hundred eighty-nine".