2653564606663 has 2 divisors, whose sum is σ = 2653564606664. Its totient is φ = 2653564606662.

The previous prime is 2653564606591. The next prime is 2653564606681. The reversal of 2653564606663 is 3666064653562.

2653564606663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2653564606663 - 2⁴¹ = 454541351111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2653564606598 and 2653564606607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2653564601663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326782303331 + 1326782303332.

It is an arithmetic number, because the mean of its divisors is an integer number (1326782303332).

Almost surely, 2^{2653564606663} is an apocalyptic number.

2653564606663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2653564606663 is an equidigital number, since it uses as much as digits as its factorization.

2653564606663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83980800, while the sum is 58.

The spelling of 2653564606663 in words is "two trillion, six hundred fifty-three billion, five hundred sixty-four million, six hundred six thousand, six hundred sixty-three".