996642533593 has 32 divisors (see below), whose sum is σ = 1195239006720. Its totient is φ = 812954688000.

The previous prime is 996642533573. The next prime is 996642533599. The reversal of 996642533593 is 395335246699.

It is a de Polignac number, because none of the positive numbers 2^k-996642533593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996642533599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63712053 + ... + 63727693.

It is an arithmetic number, because the mean of its divisors is an integer number (37351218960).

Almost surely, 2^996642533593 is an apocalyptic number.

It is an amenable number.

996642533593 is a deficient number, since it is larger than the sum of its proper divisors (198596473127).

996642533593 is a wasteful number, since it uses less digits than its factorization.

996642533593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169.

The product of its digits is 141717600, while the sum is 64.

The spelling of 996642533593 in words is "nine hundred ninety-six billion, six hundred forty-two million, five hundred thirty-three thousand, five hundred ninety-three".