18789613852 has 24 divisors (see below), whose sum is σ = 33734486016. Its totient is φ = 9152331888.

The previous prime is 18789613849. The next prime is 18789613861. The reversal of 18789613852 is 25831698781.

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, 76738 + ... + 208489.

It is an arithmetic number, because the mean of its divisors is an integer number (1405603584).

Almost surely, 2^18789613852 is an apocalyptic number.

It is an amenable number.

18789613852 is a deficient number, since it is larger than the sum of its proper divisors (14944872164).

18789613852 is a wasteful number, since it uses less digits than its factorization.

18789613852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285657 (or 285655 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 18789613852 in words is "eighteen billion, seven hundred eighty-nine million, six hundred thirteen thousand, eight hundred fifty-two".