2505838499 has 4 divisors (see below), whose sum is σ = 2514693336. Its totient is φ = 2496983664.

The previous prime is 2505838493. The next prime is 2505838513. The reversal of 2505838499 is 9948385052.

2505838499 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.

It is a cyclic number.

It is not a de Polignac number, because 2505838499 - 2⁴ = 2505838483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505838499.

It is not an unprimeable number, because it can be changed into a prime (2505838493) 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, 4426994 + ... + 4427559.

It is an arithmetic number, because the mean of its divisors is an integer number (628673334).

Almost surely, 2^2505838499 is an apocalyptic number.

2505838499 is a deficient number, since it is larger than the sum of its proper divisors (8854837).

2505838499 is an equidigital number, since it uses as much as digits as its factorization.

2505838499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854836.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The square root of 2505838499 is about 50058.3509416761. The cubic root of 2505838499 is about 1358.2645285166.

The spelling of 2505838499 in words is "two billion, five hundred five million, eight hundred thirty-eight thousand, four hundred ninety-nine".