306806716207601 has 2 divisors, whose sum is σ = 306806716207602. Its totient is φ = 306806716207600.

The previous prime is 306806716207573. The next prime is 306806716207637. The reversal of 306806716207601 is 106702617608603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281992220805376 + 24814495402225 = 16792624^2 + 4981415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306806716207601 is a prime.

It is a super-2 number, since 2×306806716207601² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (306806716237601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153403358103800 + 153403358103801.

It is an arithmetic number, because the mean of its divisors is an integer number (153403358103801).

Almost surely, 2^{306806716207601} is an apocalyptic number.

It is an amenable number.

306806716207601 is a deficient number, since it is larger than the sum of its proper divisors (1).

306806716207601 is an equidigital number, since it uses as much as digits as its factorization.

306806716207601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 306806716207601 in words is "three hundred six trillion, eight hundred six billion, seven hundred sixteen million, two hundred seven thousand, six hundred one".