2598137449 has 2 divisors, whose sum is σ = 2598137450. Its totient is φ = 2598137448.

The previous prime is 2598137441. The next prime is 2598137483. The reversal of 2598137449 is 9447318952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1891641049 + 706496400 = 43493^2 + 26580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598137449 - 2³ = 2598137441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2598137396 and 2598137405.

It is not a weakly prime, because it can be changed into another prime (2598137441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299068724 + 1299068725.

It is an arithmetic number, because the mean of its divisors is an integer number (1299068725).

Almost surely, 2^2598137449 is an apocalyptic number.

It is an amenable number.

2598137449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598137449 is an equidigital number, since it uses as much as digits as its factorization.

2598137449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 2598137449 is about 50971.9280486819. The cubic root of 2598137449 is about 1374.7404378809.

The spelling of 2598137449 in words is "two billion, five hundred ninety-eight million, one hundred thirty-seven thousand, four hundred forty-nine".