18273837381922 has 16 divisors (see below), whose sum is σ = 28854460229760. Its totient is φ = 8655718398192.

The previous prime is 18273837381911. The next prime is 18273837381949. The reversal of 18273837381922 is 22918373837281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7529193 + ... + 9655900.

It is an arithmetic number, because the mean of its divisors is an integer number (1803403764360).

Almost surely, 2^{18273837381922} is an apocalyptic number.

18273837381922 is a deficient number, since it is larger than the sum of its proper divisors (10580622847838).

18273837381922 is a wasteful number, since it uses less digits than its factorization.

18273837381922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17213097.

The product of its digits is 48771072, while the sum is 64.

The spelling of 18273837381922 in words is "eighteen trillion, two hundred seventy-three billion, eight hundred thirty-seven million, three hundred eighty-one thousand, nine hundred twenty-two".