13119448663 has 4 divisors (see below), whose sum is σ = 13215211200. Its totient is φ = 13023686128.

The previous prime is 13119448637. The next prime is 13119448679. The reversal of 13119448663 is 36684491131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36684491131 = 17 ⋅2157911243.

It is a cyclic number.

It is not a de Polignac number, because 13119448663 - 2³³ = 4529514071 is a prime.

It is a super-3 number, since 3×13119448663³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119448603) 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, 47881063 + ... + 47881336.

It is an arithmetic number, because the mean of its divisors is an integer number (3303802800).

Almost surely, 2^13119448663 is an apocalyptic number.

13119448663 is a deficient number, since it is larger than the sum of its proper divisors (95762537).

13119448663 is an equidigital number, since it uses as much as digits as its factorization.

13119448663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95762536.

The product of its digits is 373248, while the sum is 46.

The spelling of 13119448663 in words is "thirteen billion, one hundred nineteen million, four hundred forty-eight thousand, six hundred sixty-three".