18269468193 has 8 divisors (see below), whose sum is σ = 24366400288. Its totient is φ = 12176090784.

The previous prime is 18269468167. The next prime is 18269468213. The reversal of 18269468193 is 39186496281.

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

It is not a de Polignac number, because 18269468193 - 2¹⁸ = 18269206049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18269468153) 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, 876655 + ... + 897252.

It is an arithmetic number, because the mean of its divisors is an integer number (3045800036).

Almost surely, 2^18269468193 is an apocalyptic number.

It is an amenable number.

18269468193 is a deficient number, since it is larger than the sum of its proper divisors (6096932095).

18269468193 is a wasteful number, since it uses less digits than its factorization.

18269468193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777343.

The product of its digits is 4478976, while the sum is 57.

The spelling of 18269468193 in words is "eighteen billion, two hundred sixty-nine million, four hundred sixty-eight thousand, one hundred ninety-three".