2709493768829 has 2 divisors, whose sum is σ = 2709493768830. Its totient is φ = 2709493768828.

The previous prime is 2709493768789. The next prime is 2709493768847. The reversal of 2709493768829 is 9288673949072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2149076836729 + 560416932100 = 1465973^2 + 748610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2709493768829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2709493761829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354746884414 + 1354746884415.

It is an arithmetic number, because the mean of its divisors is an integer number (1354746884415).

Almost surely, 2^{2709493768829} is an apocalyptic number.

It is an amenable number.

2709493768829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709493768829 is an equidigital number, since it uses as much as digits as its factorization.

2709493768829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658409472, while the sum is 74.

The spelling of 2709493768829 in words is "two trillion, seven hundred nine billion, four hundred ninety-three million, seven hundred sixty-eight thousand, eight hundred twenty-nine".