12764688247533 has 4 divisors (see below), whose sum is σ = 17019584330048. Its totient is φ = 8509792165020.

The previous prime is 12764688247501. The next prime is 12764688247601. The reversal of 12764688247533 is 33574288646721.

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 not a de Polignac number, because 12764688247533 - 2⁵ = 12764688247501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764688247733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127448041253 + ... + 2127448041258.

It is an arithmetic number, because the mean of its divisors is an integer number (4254896082512).

Almost surely, 2^{12764688247533} is an apocalyptic number.

It is an amenable number.

12764688247533 is a deficient number, since it is larger than the sum of its proper divisors (4254896082515).

12764688247533 is an equidigital number, since it uses as much as digits as its factorization.

12764688247533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254896082514.

The product of its digits is 325140480, while the sum is 66.

The spelling of 12764688247533 in words is "twelve trillion, seven hundred sixty-four billion, six hundred eighty-eight million, two hundred forty-seven thousand, five hundred thirty-three".