2249798879 has 4 divisors (see below), whose sum is σ = 2250013584. Its totient is φ = 2249584176.

The previous prime is 2249798869. The next prime is 2249798897. The reversal of 2249798879 is 9788979422.

2249798879 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, and also an emirpimes, since its reverse is a distinct semiprime: 9788979422 = 2 ⋅4894489711.

It is a cyclic number.

It is not a de Polignac number, because 2249798879 - 2⁸ = 2249798623 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 (2249798849) 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, 90782 + ... + 112875.

It is an arithmetic number, because the mean of its divisors is an integer number (562503396).

Almost surely, 2^2249798879 is an apocalyptic number.

2249798879 is a deficient number, since it is larger than the sum of its proper divisors (214705).

2249798879 is a wasteful number, since it uses less digits than its factorization.

2249798879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214704.

The product of its digits is 36578304, while the sum is 65.

The square root of 2249798879 is about 47432.0448536641. The cubic root of 2249798879 is about 1310.3316525240.

The spelling of 2249798879 in words is "two billion, two hundred forty-nine million, seven hundred ninety-eight thousand, eight hundred seventy-nine".