2039438279 has 4 divisors (see below), whose sum is σ = 2039553960. Its totient is φ = 2039322600.

The previous prime is 2039438237. The next prime is 2039438327. The reversal of 2039438279 is 9728349302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2039438279 - 2¹² = 2039434183 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 (2039434279) 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, 25289 + ... + 68690.

It is an arithmetic number, because the mean of its divisors is an integer number (509888490).

Almost surely, 2^2039438279 is an apocalyptic number.

2039438279 is a deficient number, since it is larger than the sum of its proper divisors (115681).

2039438279 is an equidigital number, since it uses as much as digits as its factorization.

2039438279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115680.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2039438279 is about 45160.1403784355. The cubic root of 2039438279 is about 1268.1487233382.

The spelling of 2039438279 in words is "two billion, thirty-nine million, four hundred thirty-eight thousand, two hundred seventy-nine".