13373519663 has 4 divisors (see below), whose sum is σ = 15284022480. Its totient is φ = 11463016848.

The previous prime is 13373519641. The next prime is 13373519713. The reversal of 13373519663 is 36691537331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36691537331 = 1009 ⋅36364259.

It is a cyclic number.

It is not a de Polignac number, because 13373519663 - 2¹² = 13373515567 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 (13373510663) 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, 955251398 + ... + 955251411.

It is an arithmetic number, because the mean of its divisors is an integer number (3821005620).

Almost surely, 2^13373519663 is an apocalyptic number.

13373519663 is a deficient number, since it is larger than the sum of its proper divisors (1910502817).

13373519663 is an equidigital number, since it uses as much as digits as its factorization.

13373519663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910502816.

The product of its digits is 918540, while the sum is 47.

The spelling of 13373519663 in words is "thirteen billion, three hundred seventy-three million, five hundred nineteen thousand, six hundred sixty-three".