214552946050561 has 4 divisors (see below), whose sum is σ = 214553046452292. Its totient is φ = 214552845648832.

The previous prime is 214552946050517. The next prime is 214552946050633. The reversal of 214552946050561 is 165050649255412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206109092250000 + 8443853800561 = 14356500^2 + 2905831^2 .

It is a cyclic number.

It is not a de Polignac number, because 214552946050561 - 2⁷ = 214552946050433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214552946050061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46924156 + ... + 51293101.

It is an arithmetic number, because the mean of its divisors is an integer number (53638261613073).

Almost surely, 2^{214552946050561} is an apocalyptic number.

It is an amenable number.

214552946050561 is a deficient number, since it is larger than the sum of its proper divisors (100401731).

214552946050561 is an equidigital number, since it uses as much as digits as its factorization.

214552946050561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100401730.

The product of its (nonzero) digits is 12960000, while the sum is 55.

The spelling of 214552946050561 in words is "two hundred fourteen trillion, five hundred fifty-two billion, nine hundred forty-six million, fifty thousand, five hundred sixty-one".