2598991045 has 16 divisors (see below), whose sum is σ = 3565244160. Its totient is φ = 1781708544.

The previous prime is 2598991039. The next prime is 2598991063. The reversal of 2598991045 is 5401998952.

It is not a de Polignac number, because 2598991045 - 2⁵ = 2598991013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2598990983 and 2598991001.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 184989 + ... + 198541.

It is an arithmetic number, because the mean of its divisors is an integer number (222827760).

Almost surely, 2^2598991045 is an apocalyptic number.

It is an amenable number.

2598991045 is a deficient number, since it is larger than the sum of its proper divisors (966253115).

2598991045 is a wasteful number, since it uses less digits than its factorization.

2598991045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19044.

The product of its (nonzero) digits is 1166400, while the sum is 52.

The square root of 2598991045 is about 50980.3005581568. The cubic root of 2598991045 is about 1374.8909744960.

The spelling of 2598991045 in words is "two billion, five hundred ninety-eight million, nine hundred ninety-one thousand, forty-five".