2079725705 has 4 divisors (see below), whose sum is σ = 2495670852. Its totient is φ = 1663780560.

The previous prime is 2079725699. The next prime is 2079725801. The reversal of 2079725705 is 5075279702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5075279702 = 2 ⋅2537639851.

It can be written as a sum of positive squares in 2 ways, for example, as 1262451961 + 817273744 = 35531^2 + 28588^2 .

It is not a de Polignac number, because 2079725705 - 2¹⁶ = 2079660169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207972566 + ... + 207972575.

It is an arithmetic number, because the mean of its divisors is an integer number (623917713).

Almost surely, 2^2079725705 is an apocalyptic number.

It is an amenable number.

2079725705 is a deficient number, since it is larger than the sum of its proper divisors (415945147).

2079725705 is an equidigital number, since it uses as much as digits as its factorization.

2079725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415945146.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 2079725705 is about 45604.0097469510. The cubic root of 2079725705 is about 1276.4447454778. Note that the first 3 decimals are identical.

The spelling of 2079725705 in words is "two billion, seventy-nine million, seven hundred twenty-five thousand, seven hundred five".