12676772519 has 4 divisors (see below), whose sum is σ = 12681767880. Its totient is φ = 12671777160.

The previous prime is 12676772497. The next prime is 12676772539. The reversal of 12676772519 is 91527767621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12676772519 - 2⁸ = 12676772263 is a prime.

It is a super-2 number, since 2×12676772519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12676772539) 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, 2493872 + ... + 2498949.

It is an arithmetic number, because the mean of its divisors is an integer number (3170441970).

Almost surely, 2^12676772519 is an apocalyptic number.

12676772519 is a deficient number, since it is larger than the sum of its proper divisors (4995361).

12676772519 is an equidigital number, since it uses as much as digits as its factorization.

12676772519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995360.

The product of its digits is 2222640, while the sum is 53.

The spelling of 12676772519 in words is "twelve billion, six hundred seventy-six million, seven hundred seventy-two thousand, five hundred nineteen".