18092737947 has 8 divisors (see below), whose sum is σ = 24132971520. Its totient is φ = 12057164840.

The previous prime is 18092737913. The next prime is 18092737969. The reversal of 18092737947 is 74973729081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18092737947 - 2²⁷ = 17958520219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18092037947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156047 + ... + 1171592.

It is an arithmetic number, because the mean of its divisors is an integer number (3016621440).

Almost surely, 2^18092737947 is an apocalyptic number.

18092737947 is a deficient number, since it is larger than the sum of its proper divisors (6040233573).

18092737947 is a wasteful number, since it uses less digits than its factorization.

18092737947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330233.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 18092737947 in words is "eighteen billion, ninety-two million, seven hundred thirty-seven thousand, nine hundred forty-seven".