13172376543 has 16 divisors (see below), whose sum is σ = 18614269440. Its totient is φ = 8257032576.

The previous prime is 13172376533. The next prime is 13172376551. The reversal of 13172376543 is 34567327131.

It is a happy number.

It is not a de Polignac number, because 13172376543 - 2⁶ = 13172376479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13172376495 and 13172376504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172376533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71305 + ... + 177282.

It is an arithmetic number, because the mean of its divisors is an integer number (1163391840).

Almost surely, 2^13172376543 is an apocalyptic number.

13172376543 is a deficient number, since it is larger than the sum of its proper divisors (5441892897).

13172376543 is a wasteful number, since it uses less digits than its factorization.

13172376543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249646.

The product of its digits is 317520, while the sum is 42.

The spelling of 13172376543 in words is "thirteen billion, one hundred seventy-two million, three hundred seventy-six thousand, five hundred forty-three".