214564612321 has 8 divisors (see below), whose sum is σ = 218279850624. Its totient is φ = 210855754320.

The previous prime is 214564612319. The next prime is 214564612331. The reversal of 214564612321 is 123216465412.

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 214564612321 - 2¹ = 214564612319 is a prime.

It is a super-2 number, since 2×214564612321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214564612331) 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 in 7 ways as a sum of consecutive naturals, for example, 1527211 + ... + 1661776.

It is an arithmetic number, because the mean of its divisors is an integer number (27284981328).

Almost surely, 2^214564612321 is an apocalyptic number.

It is an amenable number.

214564612321 is a deficient number, since it is larger than the sum of its proper divisors (3715238303).

214564612321 is a wasteful number, since it uses less digits than its factorization.

214564612321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190151.

The product of its digits is 69120, while the sum is 37.

The spelling of 214564612321 in words is "two hundred fourteen billion, five hundred sixty-four million, six hundred twelve thousand, three hundred twenty-one".