13813340563 has 8 divisors (see below), whose sum is σ = 15100047360. Its totient is φ = 12531791880.

The previous prime is 13813340549. The next prime is 13813340579. The reversal of 13813340563 is 36504331831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13813340563 is a prime.

It is a super-3 number, since 3×13813340563³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13813340503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283923 + ... + 1294636.

It is an arithmetic number, because the mean of its divisors is an integer number (1887505920).

Almost surely, 2^13813340563 is an apocalyptic number.

13813340563 is a deficient number, since it is larger than the sum of its proper divisors (1286706797).

13813340563 is a wasteful number, since it uses less digits than its factorization.

13813340563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579057.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 13813340563 in words is "thirteen billion, eight hundred thirteen million, three hundred forty thousand, five hundred sixty-three".