18317607794 has 16 divisors (see below), whose sum is σ = 28367539200. Its totient is φ = 8861861280.

The previous prime is 18317607769. The next prime is 18317607809. The reversal of 18317607794 is 49770671381.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403982 + ... + 447030.

It is an arithmetic number, because the mean of its divisors is an integer number (1772971200).

Almost surely, 2^18317607794 is an apocalyptic number.

18317607794 is a deficient number, since it is larger than the sum of its proper divisors (10049931406).

18317607794 is a wasteful number, since it uses less digits than its factorization.

18317607794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49945.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 18317607794 in words is "eighteen billion, three hundred seventeen million, six hundred seven thousand, seven hundred ninety-four".