12862961673 has 4 divisors (see below), whose sum is σ = 17150615568. Its totient is φ = 8575307780.

The previous prime is 12862961663. The next prime is 12862961689. The reversal of 12862961673 is 37616926821.

12862961673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 37616926821 = 3 ⋅12538975607.

It is a cyclic number.

It is not a de Polignac number, because 12862961673 - 2⁸ = 12862961417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12862961633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143826943 + ... + 2143826948.

It is an arithmetic number, because the mean of its divisors is an integer number (4287653892).

Almost surely, 2^12862961673 is an apocalyptic number.

It is an amenable number.

12862961673 is a deficient number, since it is larger than the sum of its proper divisors (4287653895).

12862961673 is an equidigital number, since it uses as much as digits as its factorization.

12862961673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287653894.

The product of its digits is 1306368, while the sum is 51.

The spelling of 12862961673 in words is "twelve billion, eight hundred sixty-two million, nine hundred sixty-one thousand, six hundred seventy-three".