993522738911 has 24 divisors (see below), whose sum is σ = 1061052166944. Its totient is φ = 930054389760.

The previous prime is 993522738893. The next prime is 993522738953. The reversal of 993522738911 is 119837225399.

It is a happy number.

It is not a de Polignac number, because 993522738911 - 2⁶ = 993522738847 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 (993522738511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22423766 + ... + 22468028.

It is an arithmetic number, because the mean of its divisors is an integer number (44210506956).

Almost surely, 2^993522738911 is an apocalyptic number.

993522738911 is a deficient number, since it is larger than the sum of its proper divisors (67529428033).

993522738911 is a wasteful number, since it uses less digits than its factorization.

993522738911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45039 (or 45020 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 59.

The spelling of 993522738911 in words is "nine hundred ninety-three billion, five hundred twenty-two million, seven hundred thirty-eight thousand, nine hundred eleven".