2770196909 has 2 divisors, whose sum is σ = 2770196910. Its totient is φ = 2770196908.

The previous prime is 2770196893. The next prime is 2770196911. The reversal of 2770196909 is 9096910772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2188181284 + 582015625 = 46778^2 + 24125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770196909 - 2⁴ = 2770196893 is a prime.

It is a Sophie Germain prime.

Together with 2770196911, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2770196929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385098454 + 1385098455.

It is an arithmetic number, because the mean of its divisors is an integer number (1385098455).

Almost surely, 2^2770196909 is an apocalyptic number.

It is an amenable number.

2770196909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770196909 is an equidigital number, since it uses as much as digits as its factorization.

2770196909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 2770196909 is about 52632.6600980798. The cubic root of 2770196909 is about 1404.4411532764.

The spelling of 2770196909 in words is "two billion, seven hundred seventy million, one hundred ninety-six thousand, nine hundred nine".