2499718297 has 2 divisors, whose sum is σ = 2499718298. Its totient is φ = 2499718296.

The previous prime is 2499718283. The next prime is 2499718327. The reversal of 2499718297 is 7928179942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1627638336 + 872079961 = 40344^2 + 29531^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499718297 - 2²⁷ = 2365500569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2499718997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249859148 + 1249859149.

It is an arithmetic number, because the mean of its divisors is an integer number (1249859149).

Almost surely, 2^2499718297 is an apocalyptic number.

It is an amenable number.

2499718297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499718297 is an equidigital number, since it uses as much as digits as its factorization.

2499718297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 58.

The square root of 2499718297 is about 49997.1828906389. The cubic root of 2499718297 is about 1357.1578290769.

The spelling of 2499718297 in words is "two billion, four hundred ninety-nine million, seven hundred eighteen thousand, two hundred ninety-seven".