12450744455 has 4 divisors (see below), whose sum is σ = 14940893352. Its totient is φ = 9960595560.

The previous prime is 12450744451. The next prime is 12450744499. The reversal of 12450744455 is 55444705421.

It is a happy number.

12450744455 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.

It is not a de Polignac number, because 12450744455 - 2² = 12450744451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450744451) 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, 1245074441 + ... + 1245074450.

It is an arithmetic number, because the mean of its divisors is an integer number (3735223338).

Almost surely, 2^12450744455 is an apocalyptic number.

12450744455 is a deficient number, since it is larger than the sum of its proper divisors (2490148897).

12450744455 is an equidigital number, since it uses as much as digits as its factorization.

12450744455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490148896.

The product of its (nonzero) digits is 448000, while the sum is 41.

The spelling of 12450744455 in words is "twelve billion, four hundred fifty million, seven hundred forty-four thousand, four hundred fifty-five".