214785473214817 has 8 divisors (see below), whose sum is σ = 215690025585320. Its totient is φ = 213881030979840.

The previous prime is 214785473214761. The next prime is 214785473214853. The reversal of 214785473214817 is 718412374587412.

It is a happy number.

214785473214817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65672287576336 + 149113185638481 = 8103844^2 + 12211191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214785473214817 - 2²³ = 214785464826209 is a prime.

It is a super-2 number, since 2×214785473214817² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214785473214517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23624118 + ... + 31427215.

It is an arithmetic number, because the mean of its divisors is an integer number (26961253198165).

Almost surely, 2^{214785473214817} is an apocalyptic number.

It is an amenable number.

214785473214817 is a deficient number, since it is larger than the sum of its proper divisors (904552370503).

214785473214817 is a wasteful number, since it uses less digits than its factorization.

214785473214817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55067763.

The product of its digits is 84295680, while the sum is 64.

The spelling of 214785473214817 in words is "two hundred fourteen trillion, seven hundred eighty-five billion, four hundred seventy-three million, two hundred fourteen thousand, eight hundred seventeen".