2317789797889 has 16 divisors (see below), whose sum is σ = 2502622091200. Its totient is φ = 2139491563776.

The previous prime is 2317789797881. The next prime is 2317789797893. The reversal of 2317789797889 is 9887979877132.

It is a cyclic number.

It is not a de Polignac number, because 2317789797889 - 2³ = 2317789797881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317789797881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134004 + ... + 3802309.

It is an arithmetic number, because the mean of its divisors is an integer number (156413880700).

Almost surely, 2^{2317789797889} is an apocalyptic number.

It is an amenable number.

2317789797889 is a deficient number, since it is larger than the sum of its proper divisors (184832293311).

2317789797889 is a wasteful number, since it uses less digits than its factorization.

2317789797889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936784.

The product of its digits is 5377010688, while the sum is 85.

The spelling of 2317789797889 in words is "two trillion, three hundred seventeen billion, seven hundred eighty-nine million, seven hundred ninety-seven thousand, eight hundred eighty-nine".