2495939513 has 4 divisors (see below), whose sum is σ = 2496046080. Its totient is φ = 2495832948.

The previous prime is 2495939483. The next prime is 2495939521. The reversal of 2495939513 is 3159395942.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2495939513 - 2⁶ = 2495939449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2495939113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 70662.

It is an arithmetic number, because the mean of its divisors is an integer number (624011520).

Almost surely, 2^2495939513 is an apocalyptic number.

It is an amenable number.

2495939513 is a deficient number, since it is larger than the sum of its proper divisors (106567).

2495939513 is an equidigital number, since it uses as much as digits as its factorization.

2495939513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106566.

The product of its digits is 1312200, while the sum is 50.

The square root of 2495939513 is about 49959.3786290422. The cubic root of 2495939513 is about 1356.4736196275.

The spelling of 2495939513 in words is "two billion, four hundred ninety-five million, nine hundred thirty-nine thousand, five hundred thirteen".