2499903853 has 16 divisors (see below), whose sum is σ = 2707721920. Its totient is φ = 2299954176.

The previous prime is 2499903851. The next prime is 2499903863. The reversal of 2499903853 is 3583099942.

It is a cyclic number.

It is not a de Polignac number, because 2499903853 - 2¹ = 2499903851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2499903853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499903851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402550 + ... + 408712.

It is an arithmetic number, because the mean of its divisors is an integer number (169232620).

Almost surely, 2^2499903853 is an apocalyptic number.

It is an amenable number.

2499903853 is a deficient number, since it is larger than the sum of its proper divisors (207818067).

2499903853 is a wasteful number, since it uses less digits than its factorization.

2499903853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 2499903853 is about 49999.0385207556. The cubic root of 2499903853 is about 1357.1914092004.

The spelling of 2499903853 in words is "two billion, four hundred ninety-nine million, nine hundred three thousand, eight hundred fifty-three".