18796744709 has 8 divisors (see below), whose sum is σ = 18823666560. Its totient is φ = 18769843296.

The previous prime is 18796744697. The next prime is 18796744711. The reversal of 18796744709 is 90744769781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18796744709 - 2²⁸ = 18528309253 is a prime.

It is a super-2 number, since 2×18796744709² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18796944709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867774 + ... + 2874320.

It is an arithmetic number, because the mean of its divisors is an integer number (2352958320).

Almost surely, 2^18796744709 is an apocalyptic number.

It is an amenable number.

18796744709 is a deficient number, since it is larger than the sum of its proper divisors (26921851).

18796744709 is a wasteful number, since it uses less digits than its factorization.

18796744709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 18796744709 in words is "eighteen billion, seven hundred ninety-six million, seven hundred forty-four thousand, seven hundred nine".