13333683989 has 4 divisors (see below), whose sum is σ = 13344077856. Its totient is φ = 13323290124.

The previous prime is 13333683977. The next prime is 13333683991. The reversal of 13333683989 is 98938633331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98938633331 = 139 ⋅711788729.

It is a cyclic number.

It is not a de Polignac number, because 13333683989 - 2²⁰ = 13332635413 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 (13333683919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195009 + ... + 5197574.

It is an arithmetic number, because the mean of its divisors is an integer number (3336019464).

Almost surely, 2^13333683989 is an apocalyptic number.

It is an amenable number.

13333683989 is a deficient number, since it is larger than the sum of its proper divisors (10393867).

13333683989 is a wasteful number, since it uses less digits than its factorization.

13333683989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393866.

The product of its digits is 7558272, while the sum is 56.

The spelling of 13333683989 in words is "thirteen billion, three hundred thirty-three million, six hundred eighty-three thousand, nine hundred eighty-nine".