18469384704 has 240 divisors, whose sum is σ = 55015728768. Its totient is φ = 5961670656.

The previous prime is 18469384673. The next prime is 18469384723. The reversal of 18469384704 is 40748396481.

18469384704 is a `hidden beast` number, since 1 + 84 + 6 + 93 + 8 + 470 + 4 = 666.

It is a super-2 number, since 2×18469384704² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 23173234 + ... + 23174030.

Almost surely, 2^18469384704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18469384704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27507864384).

18469384704 is an abundant number, since it is smaller than the sum of its proper divisors (36546344064).

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

18469384704 is a wasteful number, since it uses less digits than its factorization.

18469384704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 18469384704 in words is "eighteen billion, four hundred sixty-nine million, three hundred eighty-four thousand, seven hundred four".