13143439999 has 8 divisors (see below), whose sum is σ = 13805724672. Its totient is φ = 12488724600.

The previous prime is 13143439997. The next prime is 13143440003. The reversal of 13143439999 is 99993434131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13143439999 - 2¹ = 13143439997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143439997) 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, 1888759 + ... + 1895704.

It is an arithmetic number, because the mean of its divisors is an integer number (1725715584).

Almost surely, 2^13143439999 is an apocalyptic number.

13143439999 is a deficient number, since it is larger than the sum of its proper divisors (662284673).

13143439999 is a wasteful number, since it uses less digits than its factorization.

13143439999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784637.

The product of its digits is 2834352, while the sum is 55.

The spelling of 13143439999 in words is "thirteen billion, one hundred forty-three million, four hundred thirty-nine thousand, nine hundred ninety-nine".