6443452655623 has 8 divisors (see below), whose sum is σ = 6515494524000. Its totient is φ = 6371645835168.

The previous prime is 6443452655609. The next prime is 6443452655669. The reversal of 6443452655623 is 3265562543446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6443452655623 - 2¹³ = 6443452647431 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 (6443452655693) 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 7 ways as a sum of consecutive naturals, for example, 58706848 + ... + 58816501.

It is an arithmetic number, because the mean of its divisors is an integer number (814436815500).

Almost surely, 2^{6443452655623} is an apocalyptic number.

6443452655623 is a deficient number, since it is larger than the sum of its proper divisors (72041868377).

6443452655623 is a wasteful number, since it uses less digits than its factorization.

6443452655623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117523961.

The product of its digits is 62208000, while the sum is 55.

The spelling of 6443452655623 in words is "six trillion, four hundred forty-three billion, four hundred fifty-two million, six hundred fifty-five thousand, six hundred twenty-three".