12869695528427 has 4 divisors (see below), whose sum is σ = 13547047924680. Its totient is φ = 12192343132176.

The previous prime is 12869695528399. The next prime is 12869695528439. The reversal of 12869695528427 is 72482559696821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12869695528427 - 2¹⁸ = 12869695266283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12869695528447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338676198098 + ... + 338676198135.

It is an arithmetic number, because the mean of its divisors is an integer number (3386761981170).

Almost surely, 2^{12869695528427} is an apocalyptic number.

12869695528427 is a deficient number, since it is larger than the sum of its proper divisors (677352396253).

12869695528427 is an equidigital number, since it uses as much as digits as its factorization.

12869695528427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677352396252.

The product of its digits is 1045094400, while the sum is 74.

The spelling of 12869695528427 in words is "twelve trillion, eight hundred sixty-nine billion, six hundred ninety-five million, five hundred twenty-eight thousand, four hundred twenty-seven".