2493879839 has 4 divisors (see below), whose sum is σ = 2720596200. Its totient is φ = 2267163480.

The previous prime is 2493879833. The next prime is 2493879841. The reversal of 2493879839 is 9389783942.

2493879839 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 2493879839 - 2¹² = 2493875743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493879833) 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, 113358164 + ... + 113358185.

It is an arithmetic number, because the mean of its divisors is an integer number (680149050).

Almost surely, 2^2493879839 is an apocalyptic number.

2493879839 is a deficient number, since it is larger than the sum of its proper divisors (226716361).

2493879839 is a wasteful number, since it uses less digits than its factorization.

2493879839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226716360.

The product of its digits is 23514624, while the sum is 62.

The square root of 2493879839 is about 49938.7608877113. The cubic root of 2493879839 is about 1356.1003917908.

The spelling of 2493879839 in words is "two billion, four hundred ninety-three million, eight hundred seventy-nine thousand, eight hundred thirty-nine".