42313869566 has 4 divisors (see below), whose sum is σ = 63470804352. Its totient is φ = 21156934782.

The previous prime is 42313869551. The next prime is 42313869569. The reversal of 42313869566 is 66596831324.

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

It is a super-2 number, since 2×42313869566² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42313869569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10578467390 + ... + 10578467393.

It is an arithmetic number, because the mean of its divisors is an integer number (15867701088).

Almost surely, 2^42313869566 is an apocalyptic number.

42313869566 is a deficient number, since it is larger than the sum of its proper divisors (21156934786).

42313869566 is a wasteful number, since it uses less digits than its factorization.

42313869566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21156934785.

The product of its digits is 5598720, while the sum is 53.

The spelling of 42313869566 in words is "forty-two billion, three hundred thirteen million, eight hundred sixty-nine thousand, five hundred sixty-six".