13613142543 has 32 divisors (see below), whose sum is σ = 24370386432. Its totient is φ = 6527779200.

The previous prime is 13613142539. The next prime is 13613142551. The reversal of 13613142543 is 34524131631.

It is not a de Polignac number, because 13613142543 - 2² = 13613142539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613142443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2263588 + ... + 2269593.

It is an arithmetic number, because the mean of its divisors is an integer number (761574576).

Almost surely, 2^13613142543 is an apocalyptic number.

13613142543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13613142543 is a deficient number, since it is larger than the sum of its proper divisors (10757243889).

13613142543 is a wasteful number, since it uses less digits than its factorization.

13613142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533215.

The product of its digits is 25920, while the sum is 33.

The spelling of 13613142543 in words is "thirteen billion, six hundred thirteen million, one hundred forty-two thousand, five hundred forty-three".