2317811389 has 2 divisors, whose sum is σ = 2317811390. Its totient is φ = 2317811388.

The previous prime is 2317811383. The next prime is 2317811417. The reversal of 2317811389 is 9831187132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2216808889 + 101002500 = 47083^2 + 10050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2317811389 - 2³ = 2317811381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2317811381) 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 as a sum of consecutive naturals, namely, 1158905694 + 1158905695.

It is an arithmetic number, because the mean of its divisors is an integer number (1158905695).

Almost surely, 2^2317811389 is an apocalyptic number.

It is an amenable number.

2317811389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2317811389 is an equidigital number, since it uses as much as digits as its factorization.

2317811389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 2317811389 is about 48143.6536731478. The cubic root of 2317811389 is about 1323.4047756430.

The spelling of 2317811389 in words is "two billion, three hundred seventeen million, eight hundred eleven thousand, three hundred eighty-nine".