10199999993 has 2 divisors, whose sum is σ = 10199999994. Its totient is φ = 10199999992.

The previous prime is 10199999987. The next prime is 10200000059. The reversal of 10199999993 is 39999999101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10074739129 + 125260864 = 100373^2 + 11192^2 .

It is a cyclic number.

It is not a de Polignac number, because 10199999993 - 2²⁶ = 10132891129 is a prime.

It is not a weakly prime, because it can be changed into another prime (10199999903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099999996 + 5099999997.

It is an arithmetic number, because the mean of its divisors is an integer number (5099999997).

Almost surely, 2^10199999993 is an apocalyptic number.

It is an amenable number.

10199999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10199999993 is an equidigital number, since it uses as much as digits as its factorization.

10199999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14348907, while the sum is 68.

The spelling of 10199999993 in words is "ten billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".