18722841370 has 32 divisors (see below), whose sum is σ = 35862912000. Its totient is φ = 7013166336.

The previous prime is 18722841349. The next prime is 18722841443. The reversal of 18722841370 is 7314822781.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242890 + ... + 310549.

It is an arithmetic number, because the mean of its divisors is an integer number (1120716000).

Almost surely, 2^18722841370 is an apocalyptic number.

18722841370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18722841370 is a deficient number, since it is larger than the sum of its proper divisors (17140070630).

18722841370 is a wasteful number, since it uses less digits than its factorization.

18722841370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553662.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 18722841370 in words is "eighteen billion, seven hundred twenty-two million, eight hundred forty-one thousand, three hundred seventy".