2663644360463 has 8 divisors (see below), whose sum is σ = 2707313495040. Its totient is φ = 2620146143160.

The previous prime is 2663644360423. The next prime is 2663644360471. The reversal of 2663644360463 is 3640634463662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2663644360463 - 2²⁴ = 2663627583247 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 (2663644360423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42697895 + ... + 42760232.

It is an arithmetic number, because the mean of its divisors is an integer number (338414186880).

Almost surely, 2^{2663644360463} is an apocalyptic number.

2663644360463 is a deficient number, since it is larger than the sum of its proper divisors (43669134577).

2663644360463 is an equidigital number, since it uses as much as digits as its factorization.

2663644360463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85458637.

The product of its (nonzero) digits is 26873856, while the sum is 53.

The spelling of 2663644360463 in words is "two trillion, six hundred sixty-three billion, six hundred forty-four million, three hundred sixty thousand, four hundred sixty-three".