18364254305 has 16 divisors (see below), whose sum is σ = 22620280320. Its totient is φ = 14305795392.

The previous prime is 18364254247. The next prime is 18364254317. The reversal of 18364254305 is 50345246381.

It is a cyclic number.

It is not a de Polignac number, because 18364254305 - 2⁶ = 18364254241 is a prime.

It is a super-2 number, since 2×18364254305² (a number of 21 digits) contains 22 as substring.

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, 152045 + ... + 244634.

It is an arithmetic number, because the mean of its divisors is an integer number (1413767520).

Almost surely, 2^18364254305 is an apocalyptic number.

It is an amenable number.

18364254305 is a deficient number, since it is larger than the sum of its proper divisors (4256026015).

18364254305 is a wasteful number, since it uses less digits than its factorization.

18364254305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396928.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 18364254305 in words is "eighteen billion, three hundred sixty-four million, two hundred fifty-four thousand, three hundred five".