2398790531 has 2 divisors, whose sum is σ = 2398790532. Its totient is φ = 2398790530.

The previous prime is 2398790473. The next prime is 2398790539. The reversal of 2398790531 is 1350978932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2398790531 - 2²² = 2394596227 is a prime.

It is a super-2 number, since 2×2398790531² = 11508392023230523922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2398790539) 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, 1199395265 + 1199395266.

It is an arithmetic number, because the mean of its divisors is an integer number (1199395266).

Almost surely, 2^2398790531 is an apocalyptic number.

2398790531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398790531 is an equidigital number, since it uses as much as digits as its factorization.

2398790531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2398790531 is about 48977.4492087940. The cubic root of 2398790531 is about 1338.6409572625.

The spelling of 2398790531 in words is "two billion, three hundred ninety-eight million, seven hundred ninety thousand, five hundred thirty-one".