2495665903 has 4 divisors (see below), whose sum is σ = 2627016760. Its totient is φ = 2364315048.

The previous prime is 2495665889. The next prime is 2495665919. The reversal of 2495665903 is 3095665942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2495665903 - 2¹⁷ = 2495534831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495665933) 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, 65675400 + ... + 65675437.

It is an arithmetic number, because the mean of its divisors is an integer number (656754190).

Almost surely, 2^2495665903 is an apocalyptic number.

2495665903 is a deficient number, since it is larger than the sum of its proper divisors (131350857).

2495665903 is a wasteful number, since it uses less digits than its factorization.

2495665903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131350856.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The square root of 2495665903 is about 49956.6402293029. The cubic root of 2495665903 is about 1356.4240513443.

The spelling of 2495665903 in words is "two billion, four hundred ninety-five million, six hundred sixty-five thousand, nine hundred three".