18974654048 has 48 divisors (see below), whose sum is σ = 42707427840. Its totient is φ = 8129241216.

The previous prime is 18974654009. The next prime is 18974654071. The reversal of 18974654048 is 84045647981.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 18974653984 and 18974654002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736163 + ... + 761501.

It is an arithmetic number, because the mean of its divisors is an integer number (889738080).

Almost surely, 2^18974654048 is an apocalyptic number.

It is an amenable number.

18974654048 is an abundant number, since it is smaller than the sum of its proper divisors (23732773792).

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

18974654048 is a wasteful number, since it uses less digits than its factorization.

18974654048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28699 (or 28691 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 18974654048 in words is "eighteen billion, nine hundred seventy-four million, six hundred fifty-four thousand, forty-eight".