214134646664011 has 4 divisors (see below), whose sum is σ = 214134684942024. Its totient is φ = 214134608386000.

The previous prime is 214134646663979. The next prime is 214134646664021. The reversal of 214134646664011 is 110466646431412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214134646664011 - 2⁵ = 214134646663979 is a prime.

It is a super-2 number, since 2×214134646664011² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214134646664021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933890 + ... + 22540711.

It is an arithmetic number, because the mean of its divisors is an integer number (53533671235506).

Almost surely, 2^{214134646664011} is an apocalyptic number.

214134646664011 is a deficient number, since it is larger than the sum of its proper divisors (38278013).

214134646664011 is an equidigital number, since it uses as much as digits as its factorization.

214134646664011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278012.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 214134646664011 in words is "two hundred fourteen trillion, one hundred thirty-four billion, six hundred forty-six million, six hundred sixty-four thousand, eleven".