12445446533 has 8 divisors (see below), whose sum is σ = 13985518848. Its totient is φ = 10988621424.

The previous prime is 12445446529. The next prime is 12445446617. The reversal of 12445446533 is 33564454421.

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 12445446533 - 2² = 12445446529 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 (12445446833) 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, 20811485 + ... + 20812082.

It is an arithmetic number, because the mean of its divisors is an integer number (1748189856).

Almost surely, 2^12445446533 is an apocalyptic number.

12445446533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12445446533 is a deficient number, since it is larger than the sum of its proper divisors (1540072315).

12445446533 is a wasteful number, since it uses less digits than its factorization.

12445446533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41623603.

The product of its digits is 691200, while the sum is 41.

The spelling of 12445446533 in words is "twelve billion, four hundred forty-five million, four hundred forty-six thousand, five hundred thirty-three".