12454671673 has 4 divisors (see below), whose sum is σ = 12884143140. Its totient is φ = 12025200208.

The previous prime is 12454671643. The next prime is 12454671679. The reversal of 12454671673 is 37617645421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4123180944 + 8331490729 = 64212^2 + 91277^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454671673 - 2²⁹ = 11917800761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12454671679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214735690 + ... + 214735747.

It is an arithmetic number, because the mean of its divisors is an integer number (3221035785).

Almost surely, 2^12454671673 is an apocalyptic number.

It is an amenable number.

12454671673 is a deficient number, since it is larger than the sum of its proper divisors (429471467).

12454671673 is an equidigital number, since it uses as much as digits as its factorization.

12454671673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429471466.

The product of its digits is 846720, while the sum is 46.

The spelling of 12454671673 in words is "twelve billion, four hundred fifty-four million, six hundred seventy-one thousand, six hundred seventy-three".