2499487513 has 4 divisors (see below), whose sum is σ = 2499625168. Its totient is φ = 2499349860.

The previous prime is 2499487493. The next prime is 2499487517. The reversal of 2499487513 is 3157849942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2499487513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499487517) 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 3 ways as a sum of consecutive naturals, for example, 36543 + ... + 79588.

It is an arithmetic number, because the mean of its divisors is an integer number (624906292).

Almost surely, 2^2499487513 is an apocalyptic number.

It is an amenable number.

2499487513 is a deficient number, since it is larger than the sum of its proper divisors (137655).

2499487513 is a wasteful number, since it uses less digits than its factorization.

2499487513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137654.

The product of its digits is 2177280, while the sum is 52.

The square root of 2499487513 is about 49994.8748673302. The cubic root of 2499487513 is about 1357.1160617102.

The spelling of 2499487513 in words is "two billion, four hundred ninety-nine million, four hundred eighty-seven thousand, five hundred thirteen".