12928852842641 has 4 divisors (see below), whose sum is σ = 12930544444272. Its totient is φ = 12927161241012.

The previous prime is 12928852842611. The next prime is 12928852842673. The reversal of 12928852842641 is 14624825882921.

12928852842641 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 12928852842641 - 2¹⁰ = 12928852841617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12928852842611) 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, 845789351 + ... + 845804636.

It is an arithmetic number, because the mean of its divisors is an integer number (3232636111068).

Almost surely, 2^{12928852842641} is an apocalyptic number.

It is an amenable number.

12928852842641 is a deficient number, since it is larger than the sum of its proper divisors (1691601631).

12928852842641 is an equidigital number, since it uses as much as digits as its factorization.

12928852842641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691601630.

The product of its digits is 35389440, while the sum is 62.

The spelling of 12928852842641 in words is "twelve trillion, nine hundred twenty-eight billion, eight hundred fifty-two million, eight hundred forty-two thousand, six hundred forty-one".