12453849673 has 4 divisors (see below), whose sum is σ = 12743474128. Its totient is φ = 12164225220.

The previous prime is 12453849607. The next prime is 12453849719. The reversal of 12453849673 is 37694835421.

It is a happy number.

12453849673 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.

It is a cyclic number.

It is not a de Polignac number, because 12453849673 - 2²⁵ = 12420295241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12453849673.

It is not an unprimeable number, because it can be changed into a prime (12453849073) 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, 144812163 + ... + 144812248.

It is an arithmetic number, because the mean of its divisors is an integer number (3185868532).

Almost surely, 2^12453849673 is an apocalyptic number.

It is an amenable number.

12453849673 is a deficient number, since it is larger than the sum of its proper divisors (289624455).

12453849673 is an equidigital number, since it uses as much as digits as its factorization.

12453849673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289624454.

The product of its digits is 4354560, while the sum is 52.

The spelling of 12453849673 in words is "twelve billion, four hundred fifty-three million, eight hundred forty-nine thousand, six hundred seventy-three".