13873842043 has 4 divisors (see below), whose sum is σ = 13877660320. Its totient is φ = 13870023768.

The previous prime is 13873841999. The next prime is 13873842053. The reversal of 13873842043 is 34024837831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13873842043 - 2²⁵ = 13840287611 is a prime.

It is a super-2 number, since 2×13873842043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13873842053) 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, 1903683 + ... + 1910956.

It is an arithmetic number, because the mean of its divisors is an integer number (3469415080).

Almost surely, 2^13873842043 is an apocalyptic number.

13873842043 is a deficient number, since it is larger than the sum of its proper divisors (3818277).

13873842043 is an equidigital number, since it uses as much as digits as its factorization.

13873842043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818276.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 13873842043 in words is "thirteen billion, eight hundred seventy-three million, eight hundred forty-two thousand, forty-three".