18269130913 has 24 divisors (see below), whose sum is σ = 20609926848. Its totient is φ = 16176468000.

The previous prime is 18269130907. The next prime is 18269130917. The reversal of 18269130913 is 31903196281.

It is not a de Polignac number, because 18269130913 - 2⁵ = 18269130881 is a prime.

It is a super-2 number, since 2×18269130913² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18269130913.

It is not an unprimeable number, because it can be changed into a prime (18269130917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700243 + ... + 725863.

It is an arithmetic number, because the mean of its divisors is an integer number (858746952).

Almost surely, 2^18269130913 is an apocalyptic number.

It is an amenable number.

18269130913 is a deficient number, since it is larger than the sum of its proper divisors (2340795935).

18269130913 is a wasteful number, since it uses less digits than its factorization.

18269130913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25797 (or 25786 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 18269130913 in words is "eighteen billion, two hundred sixty-nine million, one hundred thirty thousand, nine hundred thirteen".