2439401279 has 8 divisors (see below), whose sum is σ = 2934618240. Its totient is φ = 1980867096.

The previous prime is 2439401269. The next prime is 2439401297. The reversal of 2439401279 is 9721049342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2439401279 - 2⁸ = 2439401023 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 (2439401219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9170549 + ... + 9170814.

It is an arithmetic number, because the mean of its divisors is an integer number (366827280).

Almost surely, 2^2439401279 is an apocalyptic number.

2439401279 is a deficient number, since it is larger than the sum of its proper divisors (495216961).

2439401279 is a wasteful number, since it uses less digits than its factorization.

2439401279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341389.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2439401279 is about 49390.2953929211. The cubic root of 2439401279 is about 1346.1529762391.

The spelling of 2439401279 in words is "two billion, four hundred thirty-nine million, four hundred one thousand, two hundred seventy-nine".