18705742796 has 24 divisors (see below), whose sum is σ = 35736057504. Its totient is φ = 8515152000.

The previous prime is 18705742729. The next prime is 18705742843. The reversal of 18705742796 is 69724750781.

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, 2460080 + ... + 2467671.

It is an arithmetic number, because the mean of its divisors is an integer number (1489002396).

Almost surely, 2^18705742796 is an apocalyptic number.

It is an amenable number.

18705742796 is a deficient number, since it is larger than the sum of its proper divisors (17030314708).

18705742796 is a wasteful number, since it uses less digits than its factorization.

18705742796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927841 (or 4927839 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 18705742796 in words is "eighteen billion, seven hundred five million, seven hundred forty-two thousand, seven hundred ninety-six".