18444132795 has 16 divisors (see below), whose sum is σ = 32193395712. Its totient is φ = 8942609760.

The previous prime is 18444132793. The next prime is 18444132797. The reversal of 18444132795 is 59723144481.

It is an interprime number because it is at equal distance from previous prime (18444132793) and next prime (18444132797).

It is not a de Polignac number, because 18444132795 - 2¹ = 18444132793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18444132793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55891147 + ... + 55891476.

It is an arithmetic number, because the mean of its divisors is an integer number (2012087232).

Almost surely, 2^18444132795 is an apocalyptic number.

18444132795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18444132795 is a deficient number, since it is larger than the sum of its proper divisors (13749262917).

18444132795 is a wasteful number, since it uses less digits than its factorization.

18444132795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111782642.

The product of its digits is 967680, while the sum is 48.

The spelling of 18444132795 in words is "eighteen billion, four hundred forty-four million, one hundred thirty-two thousand, seven hundred ninety-five".