18059905862 has 4 divisors (see below), whose sum is σ = 27089858796. Its totient is φ = 9029952930.

The previous prime is 18059905861. The next prime is 18059905889. The reversal of 18059905862 is 26850995081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26850995081 = 3491 ⋅7691491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18059905861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4514976464 + ... + 4514976467.

It is an arithmetic number, because the mean of its divisors is an integer number (6772464699).

Almost surely, 2^18059905862 is an apocalyptic number.

18059905862 is a deficient number, since it is larger than the sum of its proper divisors (9029952934).

18059905862 is an equidigital number, since it uses as much as digits as its factorization.

18059905862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029952933.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 18059905862 in words is "eighteen billion, fifty-nine million, nine hundred five thousand, eight hundred sixty-two".