2389901317 has 2 divisors, whose sum is σ = 2389901318. Its totient is φ = 2389901316.

The previous prime is 2389901309. The next prime is 2389901333. The reversal of 2389901317 is 7131099832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117288196 + 272613121 = 46014^2 + 16511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2389901317 - 2³ = 2389901309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389941317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194950658 + 1194950659.

It is an arithmetic number, because the mean of its divisors is an integer number (1194950659).

Almost surely, 2^2389901317 is an apocalyptic number.

It is an amenable number.

2389901317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389901317 is an equidigital number, since it uses as much as digits as its factorization.

2389901317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2389901317 is about 48886.6169518816. The cubic root of 2389901317 is about 1336.9853736447.

The spelling of 2389901317 in words is "two billion, three hundred eighty-nine million, nine hundred one thousand, three hundred seventeen".