13308866643 has 8 divisors (see below), whose sum is σ = 17747198928. Its totient is φ = 8871556064.

The previous prime is 13308866611. The next prime is 13308866647. The reversal of 13308866643 is 34666880331.

It is a happy number.

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 13308866643 - 2⁵ = 13308866611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13308866592 and 13308866601.

It is not an unprimeable number, because it can be changed into a prime (13308866647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224496 + ... + 277517.

It is an arithmetic number, because the mean of its divisors is an integer number (2218399866).

Almost surely, 2^13308866643 is an apocalyptic number.

13308866643 is a deficient number, since it is larger than the sum of its proper divisors (4438332285).

13308866643 is an equidigital number, since it uses as much as digits as its factorization.

13308866643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510853.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 13308866643 in words is "thirteen billion, three hundred eight million, eight hundred sixty-six thousand, six hundred forty-three".