2491917598 has 16 divisors (see below), whose sum is σ = 3837941856. Its totient is φ = 1212744960.

The previous prime is 2491917563. The next prime is 2491917611. The reversal of 2491917598 is 8957191942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415 + ... + 70597.

It is an arithmetic number, because the mean of its divisors is an integer number (239871366).

Almost surely, 2^2491917598 is an apocalyptic number.

2491917598 is a deficient number, since it is larger than the sum of its proper divisors (1346024258).

2491917598 is a wasteful number, since it uses less digits than its factorization.

2491917598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70659.

The product of its digits is 1632960, while the sum is 55.

The square root of 2491917598 is about 49919.1105489671. The cubic root of 2491917598 is about 1355.7446283250.

The spelling of 2491917598 in words is "two billion, four hundred ninety-one million, nine hundred seventeen thousand, five hundred ninety-eight".