42592473818 has 4 divisors (see below), whose sum is σ = 63888710730. Its totient is φ = 21296236908.

The previous prime is 42592473773. The next prime is 42592473827. The reversal of 42592473818 is 81837429524.

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

It can be written as a sum of positive squares in only one way, i.e., 41003415049 + 1589058769 = 202493^2 + 39863^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42592473818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10648118453 + ... + 10648118456.

Almost surely, 2^42592473818 is an apocalyptic number.

42592473818 is a deficient number, since it is larger than the sum of its proper divisors (21296236912).

42592473818 is a wasteful number, since it uses less digits than its factorization.

42592473818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296236911.

The product of its digits is 3870720, while the sum is 53.

The spelling of 42592473818 in words is "forty-two billion, five hundred ninety-two million, four hundred seventy-three thousand, eight hundred eighteen".