65500017907 has 2 divisors, whose sum is σ = 65500017908. Its totient is φ = 65500017906.

The previous prime is 65500017899. The next prime is 65500017911. The reversal of 65500017907 is 70971000556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65500017907 - 2³ = 65500017899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65500017907.

It is not a weakly prime, because it can be changed into another prime (65500017937) 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, 32750008953 + 32750008954.

It is an arithmetic number, because the mean of its divisors is an integer number (32750008954).

Almost surely, 2^65500017907 is an apocalyptic number.

65500017907 is a deficient number, since it is larger than the sum of its proper divisors (1).

65500017907 is an equidigital number, since it uses as much as digits as its factorization.

65500017907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 40.

The spelling of 65500017907 in words is "sixty-five billion, five hundred million, seventeen thousand, nine hundred seven".