12770823569 has 16 divisors (see below), whose sum is σ = 14819813376. Its totient is φ = 10778130000.

The previous prime is 12770823553. The next prime is 12770823599. The reversal of 12770823569 is 96532807721.

It is a cyclic number.

It is not a de Polignac number, because 12770823569 - 2⁴ = 12770823553 is a prime.

It is a super-2 number, since 2×12770823569² (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 (12770823509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332344 + ... + 1341894.

It is an arithmetic number, because the mean of its divisors is an integer number (926238336).

Almost surely, 2^12770823569 is an apocalyptic number.

It is an amenable number.

12770823569 is a deficient number, since it is larger than the sum of its proper divisors (2048989807).

12770823569 is an equidigital number, since it uses as much as digits as its factorization.

12770823569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 12770823569 in words is "twelve billion, seven hundred seventy million, eight hundred twenty-three thousand, five hundred sixty-nine".