9999785093 has 2 divisors, whose sum is σ = 9999785094. Its totient is φ = 9999785092.

The previous prime is 9999785087. The next prime is 9999785099. The reversal of 9999785093 is 3905879999.

It is a balanced prime because it is at equal distance from previous prime (9999785087) and next prime (9999785099).

It can be written as a sum of positive squares in only one way, i.e., 9096962884 + 902822209 = 95378^2 + 30047^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999785093 - 2²² = 9995590789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999785099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999892546 + 4999892547.

It is an arithmetic number, because the mean of its divisors is an integer number (4999892547).

Almost surely, 2^9999785093 is an apocalyptic number.

It is an amenable number.

9999785093 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999785093 is an equidigital number, since it uses as much as digits as its factorization.

9999785093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49601160, while the sum is 68.

The square root of 9999785093 is about 99998.9254592268. The cubic root of 9999785093 is about 2154.4192564848.

The spelling of 9999785093 in words is "nine billion, nine hundred ninety-nine million, seven hundred eighty-five thousand, ninety-three".