2654610665563 has 2 divisors, whose sum is σ = 2654610665564. Its totient is φ = 2654610665562.

The previous prime is 2654610665521. The next prime is 2654610665633. The reversal of 2654610665563 is 3655660164562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2654610665563 - 2¹⁷ = 2654610534491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2654610665263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327305332781 + 1327305332782.

It is an arithmetic number, because the mean of its divisors is an integer number (1327305332782).

Almost surely, 2^{2654610665563} is an apocalyptic number.

2654610665563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654610665563 is an equidigital number, since it uses as much as digits as its factorization.

2654610665563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 55.

The spelling of 2654610665563 in words is "two trillion, six hundred fifty-four billion, six hundred ten million, six hundred sixty-five thousand, five hundred sixty-three".