18392483809 has 16 divisors (see below), whose sum is σ = 21883838848. Its totient is φ = 15128767872.

The previous prime is 18392483803. The next prime is 18392483839. The reversal of 18392483809 is 90838429381.

It is a cyclic number.

It is not a de Polignac number, because 18392483809 - 2³ = 18392483801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18392483809.

It is not an unprimeable number, because it can be changed into a prime (18392483801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467487 + ... + 505300.

It is an arithmetic number, because the mean of its divisors is an integer number (1367739928).

Almost surely, 2^18392483809 is an apocalyptic number.

It is an amenable number.

18392483809 is a deficient number, since it is larger than the sum of its proper divisors (3491355039).

18392483809 is an equidigital number, since it uses as much as digits as its factorization.

18392483809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972904.

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

The spelling of 18392483809 in words is "eighteen billion, three hundred ninety-two million, four hundred eighty-three thousand, eight hundred nine".