2591797098 has 32 divisors (see below), whose sum is σ = 5837248512. Its totient is φ = 760057200.

The previous prime is 2591797031. The next prime is 2591797123. The reversal of 2591797098 is 8907971952.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631336 + ... + 635427.

It is an arithmetic number, because the mean of its divisors is an integer number (182414016).

Almost surely, 2^2591797098 is an apocalyptic number.

2591797098 is an abundant number, since it is smaller than the sum of its proper divisors (3245451414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2591797098 is a wasteful number, since it uses less digits than its factorization.

2591797098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266810.

The product of its (nonzero) digits is 2857680, while the sum is 57.

The square root of 2591797098 is about 50909.6955205980. The cubic root of 2591797098 is about 1373.6212467939.

The spelling of 2591797098 in words is "two billion, five hundred ninety-one million, seven hundred ninety-seven thousand, ninety-eight".