13415305663 has 4 divisors (see below), whose sum is σ = 13877902440. Its totient is φ = 12952708888.

The previous prime is 13415305649. The next prime is 13415305667. The reversal of 13415305663 is 36650351431.

It is a happy number.

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 13415305663 - 2³³ = 4825371071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415305667) 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, 231298345 + ... + 231298402.

It is an arithmetic number, because the mean of its divisors is an integer number (3469475610).

Almost surely, 2^13415305663 is an apocalyptic number.

13415305663 is a deficient number, since it is larger than the sum of its proper divisors (462596777).

13415305663 is an equidigital number, since it uses as much as digits as its factorization.

13415305663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462596776.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 13415305663 in words is "thirteen billion, four hundred fifteen million, three hundred five thousand, six hundred sixty-three".