10093509991 has 2 divisors, whose sum is σ = 10093509992. Its totient is φ = 10093509990.

The previous prime is 10093509989. The next prime is 10093510033. The reversal of 10093509991 is 19990539001.

10093509991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10093509991 - 2¹ = 10093509989 is a prime.

Together with 10093509989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10093509931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5046754995 + 5046754996.

It is an arithmetic number, because the mean of its divisors is an integer number (5046754996).

Almost surely, 2^10093509991 is an apocalyptic number.

10093509991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10093509991 is an equidigital number, since it uses as much as digits as its factorization.

10093509991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 46.

The spelling of 10093509991 in words is "ten billion, ninety-three million, five hundred nine thousand, nine hundred ninety-one".