13338785889 has 192 divisors, whose sum is σ = 24539074560. Its totient is φ = 7132769280.

The previous prime is 13338785843. The next prime is 13338785893. The reversal of 13338785889 is 98858783331.

13338785889 is a `hidden beast` number, since 13 + 3 + 38 + 7 + 8 + 588 + 9 = 666.

It is not a de Polignac number, because 13338785889 - 2¹⁷ = 13338654817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13338785839) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 118042297 + ... + 118042409.

It is an arithmetic number, because the mean of its divisors is an integer number (127807680).

Almost surely, 2^13338785889 is an apocalyptic number.

It is an amenable number.

13338785889 is a deficient number, since it is larger than the sum of its proper divisors (11200288671).

13338785889 is a wasteful number, since it uses less digits than its factorization.

13338785889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 262 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 13338785889 in words is "thirteen billion, three hundred thirty-eight million, seven hundred eighty-five thousand, eight hundred eighty-nine".