13981879043 has 4 divisors (see below), whose sum is σ = 15252958968. Its totient is φ = 12710799120.

The previous prime is 13981879033. The next prime is 13981879057. The reversal of 13981879043 is 34097818931.

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 13981879043 - 2¹⁴ = 13981862659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13981879003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635539946 + ... + 635539967.

It is an arithmetic number, because the mean of its divisors is an integer number (3813239742).

Almost surely, 2^13981879043 is an apocalyptic number.

13981879043 is a deficient number, since it is larger than the sum of its proper divisors (1271079925).

13981879043 is a wasteful number, since it uses less digits than its factorization.

13981879043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271079924.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 13981879043 in words is "thirteen billion, nine hundred eighty-one million, eight hundred seventy-nine thousand, forty-three".