13220767753 has 4 divisors (see below), whose sum is σ = 13221273600. Its totient is φ = 13220261908.

The previous prime is 13220767741. The next prime is 13220767801. The reversal of 13220767753 is 35776702231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35776702231 = 173 ⋅206801747.

It is a cyclic number.

It is not a de Polignac number, because 13220767753 - 2¹³ = 13220759561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220767453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211453 + ... + 266746.

It is an arithmetic number, because the mean of its divisors is an integer number (3305318400).

Almost surely, 2^13220767753 is an apocalyptic number.

It is an amenable number.

13220767753 is a deficient number, since it is larger than the sum of its proper divisors (505847).

13220767753 is an equidigital number, since it uses as much as digits as its factorization.

13220767753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505846.

The product of its (nonzero) digits is 370440, while the sum is 43.

The spelling of 13220767753 in words is "thirteen billion, two hundred twenty million, seven hundred sixty-seven thousand, seven hundred fifty-three".