2499820047 has 12 divisors (see below), whose sum is σ = 3612658920. Its totient is φ = 1665712368.

The previous prime is 2499820031. The next prime is 2499820051. The reversal of 2499820047 is 7400289942.

It is not a de Polignac number, because 2499820047 - 2⁴ = 2499820031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2499819984 and 2499820011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499820247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50272 + ... + 86757.

It is an arithmetic number, because the mean of its divisors is an integer number (301054910).

Almost surely, 2^2499820047 is an apocalyptic number.

2499820047 is a deficient number, since it is larger than the sum of its proper divisors (1112838873).

2499820047 is a wasteful number, since it uses less digits than its factorization.

2499820047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139062 (or 139059 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2499820047 is about 49998.2004376158. The cubic root of 2499820047 is about 1357.1762430099.

The spelling of 2499820047 in words is "two billion, four hundred ninety-nine million, eight hundred twenty thousand, forty-seven".