2079439644 has 12 divisors (see below), whose sum is σ = 4852025864. Its totient is φ = 693146544.

The previous prime is 2079439631. The next prime is 2079439697. The reversal of 2079439644 is 4469349702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2079439593 and 2079439602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86643307 + ... + 86643330.

Almost surely, 2^2079439644 is an apocalyptic number.

It is an amenable number.

2079439644 is an abundant number, since it is smaller than the sum of its proper divisors (2772586220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2079439644 is a wasteful number, since it uses less digits than its factorization.

2079439644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173286644 (or 173286642 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The square root of 2079439644 is about 45600.8732811116. The cubic root of 2079439644 is about 1276.3862188811.

The spelling of 2079439644 in words is "two billion, seventy-nine million, four hundred thirty-nine thousand, six hundred forty-four".