18497773095 has 16 divisors (see below), whose sum is σ = 31154144640. Its totient is φ = 9346243104.

The previous prime is 18497773079. The next prime is 18497773103. The reversal of 18497773095 is 59037779481.

It is not a de Polignac number, because 18497773095 - 2⁴ = 18497773079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32451949 + ... + 32452518.

It is an arithmetic number, because the mean of its divisors is an integer number (1947134040).

Almost surely, 2^18497773095 is an apocalyptic number.

18497773095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18497773095 is a deficient number, since it is larger than the sum of its proper divisors (12656371545).

18497773095 is a wasteful number, since it uses less digits than its factorization.

18497773095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64904494.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 18497773095 in words is "eighteen billion, four hundred ninety-seven million, seven hundred seventy-three thousand, ninety-five".