2656777695841 has 2 divisors, whose sum is σ = 2656777695842. Its totient is φ = 2656777695840.

The previous prime is 2656777695829. The next prime is 2656777695851. The reversal of 2656777695841 is 1485967776562.

2656777695841 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., 2163608588241 + 493169107600 = 1470921^2 + 702260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656777695841 - 2¹⁵ = 2656777663073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2656777695851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328388847920 + 1328388847921.

It is an arithmetic number, because the mean of its divisors is an integer number (1328388847921).

Almost surely, 2^{2656777695841} is an apocalyptic number.

It is an amenable number.

2656777695841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656777695841 is an equidigital number, since it uses as much as digits as its factorization.

2656777695841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1066867200, while the sum is 73.

The spelling of 2656777695841 in words is "two trillion, six hundred fifty-six billion, seven hundred seventy-seven million, six hundred ninety-five thousand, eight hundred forty-one".