65717071201 has 2 divisors, whose sum is σ = 65717071202. Its totient is φ = 65717071200.

The previous prime is 65717071177. The next prime is 65717071243. The reversal of 65717071201 is 10217071756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59938790976 + 5778280225 = 244824^2 + 76015^2 .

It is a cyclic number.

It is not a de Polignac number, because 65717071201 - 2⁵ = 65717071169 is a prime.

It is not a weakly prime, because it can be changed into another prime (65717071271) 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, 32858535600 + 32858535601.

It is an arithmetic number, because the mean of its divisors is an integer number (32858535601).

Almost surely, 2^65717071201 is an apocalyptic number.

It is an amenable number.

65717071201 is a deficient number, since it is larger than the sum of its proper divisors (1).

65717071201 is an equidigital number, since it uses as much as digits as its factorization.

65717071201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 37.

The spelling of 65717071201 in words is "sixty-five billion, seven hundred seventeen million, seventy-one thousand, two hundred one".