13194817889 has 16 divisors (see below), whose sum is σ = 14493336000. Its totient is φ = 11912909760.

The previous prime is 13194817873. The next prime is 13194817891. The reversal of 13194817889 is 98871849131.

It is a cyclic number.

It is not a de Polignac number, because 13194817889 - 2⁴ = 13194817873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13194817819) 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, 4798487 + ... + 4801235.

It is an arithmetic number, because the mean of its divisors is an integer number (905833500).

Almost surely, 2^13194817889 is an apocalyptic number.

It is an amenable number.

13194817889 is a deficient number, since it is larger than the sum of its proper divisors (1298518111).

13194817889 is a wasteful number, since it uses less digits than its factorization.

13194817889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600.

The product of its digits is 3483648, while the sum is 59.

The spelling of 13194817889 in words is "thirteen billion, one hundred ninety-four million, eight hundred seventeen thousand, eight hundred eighty-nine".