2709401592661 has 2 divisors, whose sum is σ = 2709401592662. Its totient is φ = 2709401592660.

The previous prime is 2709401592629. The next prime is 2709401592679. The reversal of 2709401592661 is 1662951049072.

2709401592661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2685894876900 + 23506715761 = 1638870^2 + 153319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2709401592661 - 2⁵ = 2709401592629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2709401592599 and 2709401592608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2709401592761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354700796330 + 1354700796331.

It is an arithmetic number, because the mean of its divisors is an integer number (1354700796331).

Almost surely, 2^{2709401592661} is an apocalyptic number.

It is an amenable number.

2709401592661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709401592661 is an equidigital number, since it uses as much as digits as its factorization.

2709401592661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 2709401592661 in words is "two trillion, seven hundred nine billion, four hundred one million, five hundred ninety-two thousand, six hundred sixty-one".