2649566928611 has 2 divisors, whose sum is σ = 2649566928612. Its totient is φ = 2649566928610.

The previous prime is 2649566928529. The next prime is 2649566928637. The reversal of 2649566928611 is 1168296659462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649566928611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2649566928011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324783464305 + 1324783464306.

It is an arithmetic number, because the mean of its divisors is an integer number (1324783464306).

Almost surely, 2^{2649566928611} is an apocalyptic number.

2649566928611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649566928611 is an equidigital number, since it uses as much as digits as its factorization.

2649566928611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 65.

The spelling of 2649566928611 in words is "two trillion, six hundred forty-nine billion, five hundred sixty-six million, nine hundred twenty-eight thousand, six hundred eleven".