214042223287781 has 8 divisors (see below), whose sum is σ = 244620633325824. Its totient is φ = 183464050641840.

The previous prime is 214042223287729. The next prime is 214042223287813. The reversal of 214042223287781 is 187782322240412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214042223287781 is a prime.

It is a super-2 number, since 2×214042223287781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214042223286781) 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, 57411725 + ... + 61026146.

It is an arithmetic number, because the mean of its divisors is an integer number (30577579165728).

Almost surely, 2^{214042223287781} is an apocalyptic number.

It is an amenable number.

214042223287781 is a deficient number, since it is larger than the sum of its proper divisors (30578410038043).

214042223287781 is a wasteful number, since it uses less digits than its factorization.

214042223287781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118696051.

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 214042223287781 in words is "two hundred fourteen trillion, forty-two billion, two hundred twenty-three million, two hundred eighty-seven thousand, seven hundred eighty-one".