13815935663 has 2 divisors, whose sum is σ = 13815935664. Its totient is φ = 13815935662.

The previous prime is 13815935597. The next prime is 13815935723. The reversal of 13815935663 is 36653951831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13815935663 - 2¹⁴ = 13815919279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13815935363) 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 as a sum of consecutive naturals, namely, 6907967831 + 6907967832.

It is an arithmetic number, because the mean of its divisors is an integer number (6907967832).

Almost surely, 2^13815935663 is an apocalyptic number.

13815935663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13815935663 is an equidigital number, since it uses as much as digits as its factorization.

13815935663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 50.

The spelling of 13815935663 in words is "thirteen billion, eight hundred fifteen million, nine hundred thirty-five thousand, six hundred sixty-three".