2499068865 has 32 divisors (see below), whose sum is σ = 4027392000. Its totient is φ = 1323241920.

The previous prime is 2499068861. The next prime is 2499068927. The reversal of 2499068865 is 5688609942.

It is not a de Polignac number, because 2499068865 - 2² = 2499068861 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2499068861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2718876 + ... + 2719794.

It is an arithmetic number, because the mean of its divisors is an integer number (125856000).

Almost surely, 2^2499068865 is an apocalyptic number.

It is an amenable number.

2499068865 is a deficient number, since it is larger than the sum of its proper divisors (1528323135).

2499068865 is a wasteful number, since it uses less digits than its factorization.

2499068865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The square root of 2499068865 is about 49990.6877828261. The cubic root of 2499068865 is about 1357.0402880906.

The spelling of 2499068865 in words is "two billion, four hundred ninety-nine million, sixty-eight thousand, eight hundred sixty-five".