13930946289 has 12 divisors (see below), whose sum is σ = 21670361076. Its totient is φ = 8572889952.

The previous prime is 13930946233. The next prime is 13930946303. The reversal of 13930946289 is 98264903931.

13930946289 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 0 + 9 + 4 + 628 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 704106225 + 13226840064 = 26535^2 + 115008^2 .

It is not a de Polignac number, because 13930946289 - 2²³ = 13922557681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13930946219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59533842 + ... + 59534075.

It is an arithmetic number, because the mean of its divisors is an integer number (1805863423).

Almost surely, 2^13930946289 is an apocalyptic number.

It is an amenable number.

13930946289 is a deficient number, since it is larger than the sum of its proper divisors (7739414787).

13930946289 is a wasteful number, since it uses less digits than its factorization.

13930946289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119067936 (or 119067933 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 13930946289 in words is "thirteen billion, nine hundred thirty million, nine hundred forty-six thousand, two hundred eighty-nine".