2495963617 has 6 divisors (see below), whose sum is σ = 2903467938. Its totient is φ = 2139397344.

The previous prime is 2495963599. The next prime is 2495963621. The reversal of 2495963617 is 7163695942.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1999520656 + 496442961 = 44716^2 + 22281^2 .

It is not a de Polignac number, because 2495963617 - 2⁷ = 2495963489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2495963917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25468968 + ... + 25469065.

It is an arithmetic number, because the mean of its divisors is an integer number (483911323).

Almost surely, 2^2495963617 is an apocalyptic number.

It is an amenable number.

2495963617 is a deficient number, since it is larger than the sum of its proper divisors (407504321).

2495963617 is an equidigital number, since it uses as much as digits as its factorization.

2495963617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50938047 (or 50938040 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 2495963617 is about 49959.6198644465. The cubic root of 2495963617 is about 1356.4779862310.

The spelling of 2495963617 in words is "two billion, four hundred ninety-five million, nine hundred sixty-three thousand, six hundred seventeen".