2655632563 has 2 divisors, whose sum is σ = 2655632564. Its totient is φ = 2655632562.

The previous prime is 2655632519. The next prime is 2655632597. The reversal of 2655632563 is 3652365562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2655632563 - 2²¹ = 2653535411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2655632263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327816281 + 1327816282.

It is an arithmetic number, because the mean of its divisors is an integer number (1327816282).

Almost surely, 2^2655632563 is an apocalyptic number.

2655632563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655632563 is an equidigital number, since it uses as much as digits as its factorization.

2655632563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 43.

The square root of 2655632563 is about 51532.8299533414. The cubic root of 2655632563 is about 1384.8072495210.

The spelling of 2655632563 in words is "two billion, six hundred fifty-five million, six hundred thirty-two thousand, five hundred sixty-three".