18092338849 has 8 divisors (see below), whose sum is σ = 19814296320. Its totient is φ = 16417558416.

The previous prime is 18092338811. The next prime is 18092338861. The reversal of 18092338849 is 94883329081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18092338849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18092338849.

It is not an unprimeable number, because it can be changed into a prime (18092338879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11793457 + ... + 11794990.

It is an arithmetic number, because the mean of its divisors is an integer number (2476787040).

Almost surely, 2^18092338849 is an apocalyptic number.

It is an amenable number.

18092338849 is a deficient number, since it is larger than the sum of its proper divisors (1721957471).

18092338849 is a wasteful number, since it uses less digits than its factorization.

18092338849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23588519.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 18092338849 in words is "eighteen billion, ninety-two million, three hundred thirty-eight thousand, eight hundred forty-nine".