68303550307 has 2 divisors, whose sum is σ = 68303550308. Its totient is φ = 68303550306.

The previous prime is 68303550299. The next prime is 68303550311. The reversal of 68303550307 is 70305530386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68303550307 - 2³ = 68303550299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68303550307.

It is not a weakly prime, because it can be changed into another prime (68303550407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34151775153 + 34151775154.

It is an arithmetic number, because the mean of its divisors is an integer number (34151775154).

Almost surely, 2^68303550307 is an apocalyptic number.

68303550307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68303550307 is an equidigital number, since it uses as much as digits as its factorization.

68303550307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 68303550307 in words is "sixty-eight billion, three hundred three million, five hundred fifty thousand, three hundred seven".