18752794317 has 6 divisors (see below), whose sum is σ = 27087369582. Its totient is φ = 12501862872.

The previous prime is 18752794301. The next prime is 18752794321. The reversal of 18752794317 is 71349725781.

18752794317 is a `hidden beast` number, since 1 + 87 + 527 + 9 + 4 + 31 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11112111396 + 7640682921 = 105414^2 + 87411^2 .

It is not a de Polignac number, because 18752794317 - 2⁴ = 18752794301 is a prime.

It is a super-3 number, since 3×18752794317³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18752794517) 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 5 ways as a sum of consecutive naturals, for example, 1041821898 + ... + 1041821915.

It is an arithmetic number, because the mean of its divisors is an integer number (4514561597).

Almost surely, 2^18752794317 is an apocalyptic number.

It is an amenable number.

18752794317 is a deficient number, since it is larger than the sum of its proper divisors (8334575265).

18752794317 is a wasteful number, since it uses less digits than its factorization.

18752794317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083643819 (or 2083643816 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The spelling of 18752794317 in words is "eighteen billion, seven hundred fifty-two million, seven hundred ninety-four thousand, three hundred seventeen".