216278759313 has 8 divisors (see below), whose sum is σ = 320412976800. Its totient is φ = 144185839524.

The previous prime is 216278759287. The next prime is 216278759329. The reversal of 216278759313 is 313957872612.

216278759313 is a `hidden beast` number, since 2 + 1 + 6 + 278 + 7 + 59 + 313 = 666.

It is not a de Polignac number, because 216278759313 - 2⁸ = 216278759057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216278759313.

It is not an unprimeable number, because it can be changed into a prime (216278059313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005162183 + ... + 4005162236.

It is an arithmetic number, because the mean of its divisors is an integer number (40051622100).

Almost surely, 2^216278759313 is an apocalyptic number.

It is an amenable number.

216278759313 is a deficient number, since it is larger than the sum of its proper divisors (104134217487).

216278759313 is an equidigital number, since it uses as much as digits as its factorization.

216278759313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010324428 (or 8010324422 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 216278759313 in words is "two hundred sixteen billion, two hundred seventy-eight million, seven hundred fifty-nine thousand, three hundred thirteen".