13889443875 has 32 divisors (see below), whose sum is σ = 23736707904. Its totient is φ = 7207488000.

The previous prime is 13889443873. The next prime is 13889443891. The reversal of 13889443875 is 57834498831.

It is not a de Polignac number, because 13889443875 - 2¹ = 13889443873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13889443873) 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, 486646 + ... + 514395.

It is an arithmetic number, because the mean of its divisors is an integer number (741772122).

Almost surely, 2^13889443875 is an apocalyptic number.

13889443875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13889443875 is a deficient number, since it is larger than the sum of its proper divisors (9847264029).

13889443875 is a wasteful number, since it uses less digits than its factorization.

13889443875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001096 (or 1001086 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 13889443875 in words is "thirteen billion, eight hundred eighty-nine million, four hundred forty-three thousand, eight hundred seventy-five".