18793628708 has 24 divisors (see below), whose sum is σ = 34000141560. Its totient is φ = 9083508480.

The previous prime is 18793628699. The next prime is 18793628713. The reversal of 18793628708 is 80782639781.

It can be written as a sum of positive squares in 4 ways, for example, as 177209344 + 18616419364 = 13312^2 + 136442^2 .

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, 507791 + ... + 543542.

It is an arithmetic number, because the mean of its divisors is an integer number (1416672565).

Almost surely, 2^18793628708 is an apocalyptic number.

It is an amenable number.

18793628708 is a deficient number, since it is larger than the sum of its proper divisors (15206512852).

18793628708 is a wasteful number, since it uses less digits than its factorization.

18793628708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051487 (or 1051485 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 18793628708 in words is "eighteen billion, seven hundred ninety-three million, six hundred twenty-eight thousand, seven hundred eight".