18379009593 has 40 divisors (see below), whose sum is σ = 32225285312. Its totient is φ = 10218433824.

The previous prime is 18379009577. The next prime is 18379009609. The reversal of 18379009593 is 39590097381.

18379009593 is a `hidden beast` number, since 18 + 37 + 9 + 0 + 0 + 9 + 593 = 666.

It is an interprime number because it is at equal distance from previous prime (18379009577) and next prime (18379009609).

It is not a de Polignac number, because 18379009593 - 2⁴ = 18379009577 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18379009543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 417055 + ... + 459012.

Almost surely, 2^18379009593 is an apocalyptic number.

It is an amenable number.

18379009593 is a deficient number, since it is larger than the sum of its proper divisors (13846275719).

18379009593 is an equidigital number, since it uses as much as digits as its factorization.

18379009593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876123 (or 876114 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 18379009593 in words is "eighteen billion, three hundred seventy-nine million, nine thousand, five hundred ninety-three".