9340789993 has 4 divisors (see below), whose sum is σ = 9343135620. Its totient is φ = 9338444368.

The previous prime is 9340789981. The next prime is 9340790047. The reversal of 9340789993 is 3999870439.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1836379609 + 7504410384 = 42853^2 + 86628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9340789993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9340789933) 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, 1166830 + ... + 1174807.

It is an arithmetic number, because the mean of its divisors is an integer number (2335783905).

Almost surely, 2^9340789993 is an apocalyptic number.

It is an amenable number.

9340789993 is a deficient number, since it is larger than the sum of its proper divisors (2345627).

9340789993 is a wasteful number, since it uses less digits than its factorization.

9340789993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345626.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The square root of 9340789993 is about 96647.7624831532. The cubic root of 9340789993 is about 2106.0137516775.

The spelling of 9340789993 in words is "nine billion, three hundred forty million, seven hundred eighty-nine thousand, nine hundred ninety-three".