216370527713 has 2 divisors, whose sum is σ = 216370527714. Its totient is φ = 216370527712.

The previous prime is 216370527697. The next prime is 216370527719. The reversal of 216370527713 is 317725073612.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180257986624 + 36112541089 = 424568^2 + 190033^2 .

It is a cyclic number.

It is not a de Polignac number, because 216370527713 - 2⁴ = 216370527697 is a prime.

It is not a weakly prime, because it can be changed into another prime (216370527719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108185263856 + 108185263857.

It is an arithmetic number, because the mean of its divisors is an integer number (108185263857).

Almost surely, 2^216370527713 is an apocalyptic number.

It is an amenable number.

216370527713 is a deficient number, since it is larger than the sum of its proper divisors (1).

216370527713 is an equidigital number, since it uses as much as digits as its factorization.

216370527713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 216370527713 in words is "two hundred sixteen billion, three hundred seventy million, five hundred twenty-seven thousand, seven hundred thirteen".