2152563226663 has 4 divisors (see below), whose sum is σ = 2152615389400. Its totient is φ = 2152511063928.

The previous prime is 2152563226613. The next prime is 2152563226673. The reversal of 2152563226663 is 3666223652512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2152563226663 - 2³⁷ = 2015124273191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152563226613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26019420 + ... + 26102017.

It is an arithmetic number, because the mean of its divisors is an integer number (538153847350).

Almost surely, 2^{2152563226663} is an apocalyptic number.

2152563226663 is a deficient number, since it is larger than the sum of its proper divisors (52162737).

2152563226663 is an equidigital number, since it uses as much as digits as its factorization.

2152563226663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52162736.

The product of its digits is 4665600, while the sum is 49.

The spelling of 2152563226663 in words is "two trillion, one hundred fifty-two billion, five hundred sixty-three million, two hundred twenty-six thousand, six hundred sixty-three".