13946843859 has 16 divisors (see below), whose sum is σ = 20672246784. Its totient is φ = 8305812000.

The previous prime is 13946843857. The next prime is 13946843881. The reversal of 13946843859 is 95834864931.

It is not a de Polignac number, because 13946843859 - 2¹ = 13946843857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13946843851) 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, 5766717 + ... + 5769134.

It is an arithmetic number, because the mean of its divisors is an integer number (1292015424).

Almost surely, 2^13946843859 is an apocalyptic number.

13946843859 is a deficient number, since it is larger than the sum of its proper divisors (6725402925).

13946843859 is a wasteful number, since it uses less digits than its factorization.

13946843859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535898.

The product of its digits is 22394880, while the sum is 60.

The spelling of 13946843859 in words is "thirteen billion, nine hundred forty-six million, eight hundred forty-three thousand, eight hundred fifty-nine".