443017849993 has 12 divisors (see below), whose sum is σ = 495379645360. Its totient is φ = 395012814912.

The previous prime is 443017849969. The next prime is 443017850029. The reversal of 443017849993 is 399948710344.

It is a de Polignac number, because none of the positive numbers 2^k-443017849993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443017849943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40334871 + ... + 40345852.

Almost surely, 2^443017849993 is an apocalyptic number.

It is an amenable number.

443017849993 is a deficient number, since it is larger than the sum of its proper divisors (52361795367).

443017849993 is a wasteful number, since it uses less digits than its factorization.

443017849993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80680776 (or 80680759 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 443017849993 in words is "four hundred forty-three billion, seventeen million, eight hundred forty-nine thousand, nine hundred ninety-three".