2495907709 has 4 divisors (see below), whose sum is σ = 2496873600. Its totient is φ = 2494941820.

The previous prime is 2495907703. The next prime is 2495907731. The reversal of 2495907709 is 9077095942.

It is a happy number.

2495907709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 9077095942 = 2 ⋅4538547971.

It is a cyclic number.

It is not a de Polignac number, because 2495907709 - 2¹⁹ = 2495383421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495907703) 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, 479059 + ... + 484240.

It is an arithmetic number, because the mean of its divisors is an integer number (624218400).

Almost surely, 2^2495907709 is an apocalyptic number.

It is an amenable number.

2495907709 is a deficient number, since it is larger than the sum of its proper divisors (965891).

2495907709 is an equidigital number, since it uses as much as digits as its factorization.

2495907709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965890.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 2495907709 is about 49959.0603294337. The cubic root of 2495907709 is about 1356.4678580736.

The spelling of 2495907709 in words is "two billion, four hundred ninety-five million, nine hundred seven thousand, seven hundred nine".