1000099993 has 2 divisors, whose sum is σ = 1000099994. Its totient is φ = 1000099992.

The previous prime is 1000099967. The next prime is 1000099999. The reversal of 1000099993 is 3999900001.

1000099993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922519129 + 77580864 = 30373^2 + 8808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000099993 - 2¹³ = 1000091801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000099999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500049996 + 500049997.

It is an arithmetic number, because the mean of its divisors is an integer number (500049997).

Almost surely, 2^1000099993 is an apocalyptic number.

It is an amenable number.

1000099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000099993 is an equidigital number, since it uses as much as digits as its factorization.

1000099993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 40.

The square root of 1000099993 is about 31624.3575903132. The cubic root of 1000099993 is about 1000.0333298891.

Adding to 1000099993 its reverse (3999900001), we get a palindrome (4999999994).

The spelling of 1000099993 in words is "one billion, ninety-nine thousand, nine hundred ninety-three".