2389997417 has 2 divisors, whose sum is σ = 2389997418. Its totient is φ = 2389997416.

The previous prime is 2389997381. The next prime is 2389997419. The reversal of 2389997417 is 7147999832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2379878656 + 10118761 = 48784^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2389997417 - 2⁶ = 2389997353 is a prime.

Together with 2389997419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2389997419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194998708 + 1194998709.

It is an arithmetic number, because the mean of its divisors is an integer number (1194998709).

Almost surely, 2^2389997417 is an apocalyptic number.

It is an amenable number.

2389997417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389997417 is an equidigital number, since it uses as much as digits as its factorization.

2389997417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 2389997417 is about 48887.5998285864. The cubic root of 2389997417 is about 1337.0032938508.

The spelling of 2389997417 in words is "two billion, three hundred eighty-nine million, nine hundred ninety-seven thousand, four hundred seventeen".