13820655339 has 6 divisors (see below), whose sum is σ = 19963168836. Its totient is φ = 9213770220.

The previous prime is 13820655323. The next prime is 13820655341. The reversal of 13820655339 is 93355602831.

It is a happy number.

13820655339 is a `hidden beast` number, since 1 + 38 + 20 + 65 + 533 + 9 = 666.

It is not a de Polignac number, because 13820655339 - 2⁴ = 13820655323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13820655294 and 13820655303.

It is not an unprimeable number, because it can be changed into a prime (13820655319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767814177 + ... + 767814194.

It is an arithmetic number, because the mean of its divisors is an integer number (3327194806).

Almost surely, 2^13820655339 is an apocalyptic number.

13820655339 is a deficient number, since it is larger than the sum of its proper divisors (6142513497).

13820655339 is a wasteful number, since it uses less digits than its factorization.

13820655339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535628377 (or 1535628374 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 13820655339 in words is "thirteen billion, eight hundred twenty million, six hundred fifty-five thousand, three hundred thirty-nine".