2398491629 has 2 divisors, whose sum is σ = 2398491630. Its totient is φ = 2398491628.

The previous prime is 2398491593. The next prime is 2398491653. The reversal of 2398491629 is 9261948932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2398354729 + 136900 = 48973^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398491629 - 2²⁰ = 2397443053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391491629) 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, 1199245814 + 1199245815.

It is an arithmetic number, because the mean of its divisors is an integer number (1199245815).

Almost surely, 2^2398491629 is an apocalyptic number.

It is an amenable number.

2398491629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398491629 is an equidigital number, since it uses as much as digits as its factorization.

2398491629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 2398491629 is about 48974.3976889966. The cubic root of 2398491629 is about 1338.5853543695.

The spelling of 2398491629 in words is "two billion, three hundred ninety-eight million, four hundred ninety-one thousand, six hundred twenty-nine".