2598889773989 has 4 divisors (see below), whose sum is σ = 2647925430156. Its totient is φ = 2549854117824.

The previous prime is 2598889773979. The next prime is 2598889774001. The reversal of 2598889773989 is 9893779888952.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1692522940900 + 906366833089 = 1300970^2 + 952033^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598889773989 - 2²⁴ = 2598872996773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2598889773898 and 2598889773907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598889773919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24517828004 + ... + 24517828109.

It is an arithmetic number, because the mean of its divisors is an integer number (661981357539).

Almost surely, 2^{2598889773989} is an apocalyptic number.

It is an amenable number.

2598889773989 is a deficient number, since it is larger than the sum of its proper divisors (49035656167).

2598889773989 is an equidigital number, since it uses as much as digits as its factorization.

2598889773989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49035656166.

The product of its digits is 39504568320, while the sum is 92.

The spelling of 2598889773989 in words is "two trillion, five hundred ninety-eight billion, eight hundred eighty-nine million, seven hundred seventy-three thousand, nine hundred eighty-nine".