13719477843 has 8 divisors (see below), whose sum is σ = 20325152400. Its totient is φ = 9146318544.

The previous prime is 13719477797. The next prime is 13719477881. The reversal of 13719477843 is 34877491731.

It is not a de Polignac number, because 13719477843 - 2¹⁰ = 13719476819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13719477843.

It is not an unprimeable number, because it can be changed into a prime (13719472843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254064378 + ... + 254064431.

It is an arithmetic number, because the mean of its divisors is an integer number (2540644050).

Almost surely, 2^13719477843 is an apocalyptic number.

13719477843 is a deficient number, since it is larger than the sum of its proper divisors (6605674557).

13719477843 is an equidigital number, since it uses as much as digits as its factorization.

13719477843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508128818 (or 508128812 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 13719477843 in words is "thirteen billion, seven hundred nineteen million, four hundred seventy-seven thousand, eight hundred forty-three".