2598270989 has 2 divisors, whose sum is σ = 2598270990. Its totient is φ = 2598270988.

The previous prime is 2598270971. The next prime is 2598271009. The reversal of 2598270989 is 9890728952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1568952100 + 1029318889 = 39610^2 + 32083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2598270989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2598270949) 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, 1299135494 + 1299135495.

It is an arithmetic number, because the mean of its divisors is an integer number (1299135495).

Almost surely, 2^2598270989 is an apocalyptic number.

It is an amenable number.

2598270989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598270989 is an equidigital number, since it uses as much as digits as its factorization.

2598270989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 2598270989 is about 50973.2379685654. The cubic root of 2598270989 is about 1374.7639906114.

The spelling of 2598270989 in words is "two billion, five hundred ninety-eight million, two hundred seventy thousand, nine hundred eighty-nine".