13056373621663 has 2 divisors, whose sum is σ = 13056373621664. Its totient is φ = 13056373621662.

The previous prime is 13056373621661. The next prime is 13056373621693. The reversal of 13056373621663 is 36612637365031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13056373621663 - 2¹ = 13056373621661 is a prime.

Together with 13056373621661, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13056373621663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13056373621661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528186810831 + 6528186810832.

It is an arithmetic number, because the mean of its divisors is an integer number (6528186810832).

Almost surely, 2^{13056373621663} is an apocalyptic number.

13056373621663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13056373621663 is an equidigital number, since it uses as much as digits as its factorization.

13056373621663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 52.

The spelling of 13056373621663 in words is "thirteen trillion, fifty-six billion, three hundred seventy-three million, six hundred twenty-one thousand, six hundred sixty-three".