18269130912 has 48 divisors (see below), whose sum is σ = 48012904800. Its totient is φ = 6082543872.

The previous prime is 18269130907. The next prime is 18269130917. The reversal of 18269130912 is 21903196281.

It is an interprime number because it is at equal distance from previous prime (18269130907) and next prime (18269130917).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×18269130912² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18269130917) 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, 29662 + ... + 193437.

It is an arithmetic number, because the mean of its divisors is an integer number (1000268850).

Almost surely, 2^18269130912 is an apocalyptic number.

18269130912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18269130912 is an abundant number, since it is smaller than the sum of its proper divisors (29743773888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18269130912 is a wasteful number, since it uses less digits than its factorization.

18269130912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223965 (or 223957 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 18269130912 in words is "eighteen billion, two hundred sixty-nine million, one hundred thirty thousand, nine hundred twelve".