2449279439 has 4 divisors (see below), whose sum is σ = 2452576656. Its totient is φ = 2445982224.

The previous prime is 2449279421. The next prime is 2449279451. The reversal of 2449279439 is 9349729442.

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 2449279439 - 2²⁸ = 2180843983 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 (2449239439) 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, 1647494 + ... + 1648979.

It is an arithmetic number, because the mean of its divisors is an integer number (613144164).

Almost surely, 2^2449279439 is an apocalyptic number.

2449279439 is a deficient number, since it is larger than the sum of its proper divisors (3297217).

2449279439 is an equidigital number, since it uses as much as digits as its factorization.

2449279439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297216.

The product of its digits is 3919104, while the sum is 53.

The square root of 2449279439 is about 49490.1953825200. The cubic root of 2449279439 is about 1347.9675752825.

The spelling of 2449279439 in words is "two billion, four hundred forty-nine million, two hundred seventy-nine thousand, four hundred thirty-nine".