2079239989849 has 45 divisors (see below), whose sum is σ = 2433072876205. Its totient is φ = 1776491024000.

The previous prime is 2079239989823. The next prime is 2079239989891. The reversal of 2079239989849 is 9489899329702.

The square root of 2079239989849 is 1441957.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 864686113225 + 1214553876624 = 929885^2 + 1102068^2 .

It is not a de Polignac number, because 2079239989849 - 2⁵ = 2079239989817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2079239989049) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2966105199 + ... + 2966105899.

Almost surely, 2^{2079239989849} is an apocalyptic number.

2079239989849 is the 1441957-th square number.

2079239989849 is the 720979-th centered octagonal number.

It is an amenable number.

2079239989849 is a deficient number, since it is larger than the sum of its proper divisors (353832886356).

2079239989849 is an frugal number, since it uses more digits than its factorization.

2079239989849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 79.

The spelling of 2079239989849 in words is "two trillion, seventy-nine billion, two hundred thirty-nine million, nine hundred eighty-nine thousand, eight hundred forty-nine".