13163263443 has 48 divisors (see below), whose sum is σ = 20945433600. Its totient is φ = 7899848640.

The previous prime is 13163263427. The next prime is 13163263453. The reversal of 13163263443 is 34436236131.

13163263443 is a `hidden beast` number, since 1 + 3 + 16 + 3 + 2 + 634 + 4 + 3 = 666.

It is not a de Polignac number, because 13163263443 - 2⁴ = 13163263427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13163263398 and 13163263407.

It is not an unprimeable number, because it can be changed into a prime (13163263453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6590521 + ... + 6592517.

It is an arithmetic number, because the mean of its divisors is an integer number (436363200).

Almost surely, 2^13163263443 is an apocalyptic number.

13163263443 is a deficient number, since it is larger than the sum of its proper divisors (7782170157).

13163263443 is a wasteful number, since it uses less digits than its factorization.

13163263443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2629 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 13163263443 its reverse (34436236131), we get a palindrome (47599499574).

The spelling of 13163263443 in words is "thirteen billion, one hundred sixty-three million, two hundred sixty-three thousand, four hundred forty-three".