12755877329 has 4 divisors (see below), whose sum is σ = 13737098676. Its totient is φ = 11774655984.

The previous prime is 12755877313. The next prime is 12755877341. The reversal of 12755877329 is 92377855721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92377855721 = 17 ⋅5433991513.

It can be written as a sum of positive squares in 2 ways, for example, as 562638400 + 12193238929 = 23720^2 + 110423^2 .

It is not a de Polignac number, because 12755877329 - 2⁴ = 12755877313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12755877229) 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, 490610654 + ... + 490610679.

It is an arithmetic number, because the mean of its divisors is an integer number (3434274669).

Almost surely, 2^12755877329 is an apocalyptic number.

It is an amenable number.

12755877329 is a deficient number, since it is larger than the sum of its proper divisors (981221347).

12755877329 is an equidigital number, since it uses as much as digits as its factorization.

12755877329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981221346.

The product of its digits is 7408800, while the sum is 56.

The spelling of 12755877329 in words is "twelve billion, seven hundred fifty-five million, eight hundred seventy-seven thousand, three hundred twenty-nine".