109999993 has 2 divisors, whose sum is σ = 109999994. Its totient is φ = 109999992.

The previous prime is 109999957. The next prime is 110000017. The reversal of 109999993 is 399999901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109998144 + 1849 = 10488^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 109999993 - 2¹⁷ = 109868921 is a prime.

It is not a weakly prime, because it can be changed into another prime (109999913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54999996 + 54999997.

It is an arithmetic number, because the mean of its divisors is an integer number (54999997).

Almost surely, 2^109999993 is an apocalyptic number.

It is an amenable number.

109999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

109999993 is an equidigital number, since it uses as much as digits as its factorization.

109999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1594323, while the sum is 58.

The square root of 109999993 is about 10488.0881479896. The cubic root of 109999993 is about 479.1419755427.

The spelling of 109999993 in words is "one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".