10099019993 has 2 divisors, whose sum is σ = 10099019994. Its totient is φ = 10099019992.

The previous prime is 10099019981. The next prime is 10099020037. The reversal of 10099019993 is 39991099001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9724326544 + 374693449 = 98612^2 + 19357^2 .

It is a cyclic number.

It is not a de Polignac number, because 10099019993 - 2²⁴ = 10082242777 is a prime.

It is not a weakly prime, because it can be changed into another prime (10099019923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049509996 + 5049509997.

It is an arithmetic number, because the mean of its divisors is an integer number (5049509997).

Almost surely, 2^10099019993 is an apocalyptic number.

It is an amenable number.

10099019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10099019993 is an equidigital number, since it uses as much as digits as its factorization.

10099019993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 177147, while the sum is 50.

The spelling of 10099019993 in words is "ten billion, ninety-nine million, nineteen thousand, nine hundred ninety-three".