2491298199 has 24 divisors (see below), whose sum is σ = 4043850720. Its totient is φ = 1466448192.

The previous prime is 2491298189. The next prime is 2491298209. The reversal of 2491298199 is 9918921942.

It is an interprime number because it is at equal distance from previous prime (2491298189) and next prime (2491298209).

It is not a de Polignac number, because 2491298199 - 2⁷ = 2491298071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491298179) 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 in 23 ways as a sum of consecutive naturals, for example, 460204 + ... + 465585.

It is an arithmetic number, because the mean of its divisors is an integer number (168493780).

Almost surely, 2^2491298199 is an apocalyptic number.

2491298199 is a deficient number, since it is larger than the sum of its proper divisors (1552552521).

2491298199 is a wasteful number, since it uses less digits than its factorization.

2491298199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925831 (or 925828 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 2491298199 is about 49912.9061365896. The cubic root of 2491298199 is about 1355.6322896112.

The spelling of 2491298199 in words is "two billion, four hundred ninety-one million, two hundred ninety-eight thousand, one hundred ninety-nine".