13908322081 has 8 divisors (see below), whose sum is σ = 15201506304. Its totient is φ = 12667920960.

The previous prime is 13908322037. The next prime is 13908322097. The reversal of 13908322081 is 18022380931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13908322081 - 2⁷ = 13908321953 is a prime.

It is a super-2 number, since 2×13908322081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13908322081.

It is not an unprimeable number, because it can be changed into a prime (13908328081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13195225 + ... + 13196278.

It is an arithmetic number, because the mean of its divisors is an integer number (1900188288).

Almost surely, 2^13908322081 is an apocalyptic number.

It is an amenable number.

13908322081 is a deficient number, since it is larger than the sum of its proper divisors (1293184223).

13908322081 is a wasteful number, since it uses less digits than its factorization.

13908322081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26391551.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 13908322081 in words is "thirteen billion, nine hundred eight million, three hundred twenty-two thousand, eighty-one".