2398491593 has 2 divisors, whose sum is σ = 2398491594. Its totient is φ = 2398491592.

The previous prime is 2398491583. The next prime is 2398491629. The reversal of 2398491593 is 3951948932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670193424 + 728298169 = 40868^2 + 26987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398491593 - 2¹⁰ = 2398490569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2398491503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199245796 + 1199245797.

It is an arithmetic number, because the mean of its divisors is an integer number (1199245797).

Almost surely, 2^2398491593 is an apocalyptic number.

It is an amenable number.

2398491593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398491593 is an equidigital number, since it uses as much as digits as its factorization.

2398491593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 2398491593 is about 48974.3973214577. The cubic root of 2398491593 is about 1338.5853476723.

The spelling of 2398491593 in words is "two billion, three hundred ninety-eight million, four hundred ninety-one thousand, five hundred ninety-three".