18383393144935 has 32 divisors (see below), whose sum is σ = 27163183541760. Its totient is φ = 11630799255168.

The previous prime is 18383393144927. The next prime is 18383393144969. The reversal of 18383393144935 is 53944139338381.

It is a cyclic number.

It is not a de Polignac number, because 18383393144935 - 2³ = 18383393144927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8167645 + ... + 10172374.

It is an arithmetic number, because the mean of its divisors is an integer number (848849485680).

Almost surely, 2^{18383393144935} is an apocalyptic number.

18383393144935 is a deficient number, since it is larger than the sum of its proper divisors (8779790396825).

18383393144935 is a wasteful number, since it uses less digits than its factorization.

18383393144935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18342247.

The product of its digits is 100776960, while the sum is 64.

The spelling of 18383393144935 in words is "eighteen trillion, three hundred eighty-three billion, three hundred ninety-three million, one hundred forty-four thousand, nine hundred thirty-five".