2079660109 has 2 divisors, whose sum is σ = 2079660110. Its totient is φ = 2079660108.

The previous prime is 2079660071. The next prime is 2079660119. The reversal of 2079660109 is 9010669702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1794793225 + 284866884 = 42365^2 + 16878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2079660109 - 2²⁷ = 1945442381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2079660119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039830054 + 1039830055.

It is an arithmetic number, because the mean of its divisors is an integer number (1039830055).

Almost surely, 2^2079660109 is an apocalyptic number.

It is an amenable number.

2079660109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2079660109 is an equidigital number, since it uses as much as digits as its factorization.

2079660109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 2079660109 is about 45603.2905501346. The cubic root of 2079660109 is about 1276.4313253507.

The spelling of 2079660109 in words is "two billion, seventy-nine million, six hundred sixty thousand, one hundred nine".