103603309993 has 2 divisors, whose sum is σ = 103603309994. Its totient is φ = 103603309992.

The previous prime is 103603309987. The next prime is 103603310011. The reversal of 103603309993 is 399903306301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97164370944 + 6438939049 = 311712^2 + 80243^2 .

It is a cyclic number.

It is not a de Polignac number, because 103603309993 - 2⁵ = 103603309961 is a prime.

It is a super-3 number, since 3×103603309993³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103603309093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51801654996 + 51801654997.

It is an arithmetic number, because the mean of its divisors is an integer number (51801654997).

Almost surely, 2^103603309993 is an apocalyptic number.

It is an amenable number.

103603309993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103603309993 is an equidigital number, since it uses as much as digits as its factorization.

103603309993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354294, while the sum is 46.

The spelling of 103603309993 in words is "one hundred three billion, six hundred three million, three hundred nine thousand, nine hundred ninety-three".