12443463345654 has 64 divisors (see below), whose sum is σ = 30171674292480. Its totient is φ = 3770033650560.

The previous prime is 12443463345653. The next prime is 12443463345689. The reversal of 12443463345654 is 45654336434421.

12443463345654 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 3 + 46 + 3 + 34 + 565 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12443463345654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443463345653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1169017 + ... + 5123819.

It is an arithmetic number, because the mean of its divisors is an integer number (471432410820).

Almost surely, 2^{12443463345654} is an apocalyptic number.

12443463345654 is an abundant number, since it is smaller than the sum of its proper divisors (17728210946826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12443463345654 is a wasteful number, since it uses less digits than its factorization.

12443463345654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960122 (or 3960116 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 54.

The spelling of 12443463345654 in words is "twelve trillion, four hundred forty-three billion, four hundred sixty-three million, three hundred forty-five thousand, six hundred fifty-four".