993734909071 has 4 divisors (see below), whose sum is σ = 996040558944. Its totient is φ = 991429259200.

The previous prime is 993734909059. The next prime is 993734909093. The reversal of 993734909071 is 170909437399.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 993734909071 - 2⁹ = 993734908559 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 (993734909371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152824290 + ... + 1152825151.

It is an arithmetic number, because the mean of its divisors is an integer number (249010139736).

Almost surely, 2^993734909071 is an apocalyptic number.

993734909071 is a deficient number, since it is larger than the sum of its proper divisors (2305649873).

993734909071 is a wasteful number, since it uses less digits than its factorization.

993734909071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305649872.

The product of its (nonzero) digits is 11573604, while the sum is 61.

The spelling of 993734909071 in words is "nine hundred ninety-three billion, seven hundred thirty-four million, nine hundred nine thousand, seventy-one".