12453544454 has 16 divisors (see below), whose sum is σ = 20295297792. Its totient is φ = 5696923008.

The previous prime is 12453544451. The next prime is 12453544469. The reversal of 12453544454 is 45444535421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453544451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116454 + ... + 2122329.

It is an arithmetic number, because the mean of its divisors is an integer number (1268456112).

Almost surely, 2^12453544454 is an apocalyptic number.

12453544454 is a deficient number, since it is larger than the sum of its proper divisors (7841753338).

12453544454 is a wasteful number, since it uses less digits than its factorization.

12453544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238911.

The product of its digits is 768000, while the sum is 41.

The spelling of 12453544454 in words is "twelve billion, four hundred fifty-three million, five hundred forty-four thousand, four hundred fifty-four".