13886632081 has 4 divisors (see below), whose sum is σ = 15870436672. Its totient is φ = 11902827492.

The previous prime is 13886632061. The next prime is 13886632091. The reversal of 13886632081 is 18023668831.

13886632081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13886632081 - 2¹³ = 13886623889 is a prime.

It is a super-2 number, since 2×13886632081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13886632031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991902285 + ... + 991902298.

It is an arithmetic number, because the mean of its divisors is an integer number (3967609168).

Almost surely, 2^13886632081 is an apocalyptic number.

It is an amenable number.

13886632081 is a deficient number, since it is larger than the sum of its proper divisors (1983804591).

13886632081 is an equidigital number, since it uses as much as digits as its factorization.

13886632081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983804590.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 13886632081 in words is "thirteen billion, eight hundred eighty-six million, six hundred thirty-two thousand, eighty-one".