214018256873 has 2 divisors, whose sum is σ = 214018256874. Its totient is φ = 214018256872.

The previous prime is 214018256833. The next prime is 214018256899. The reversal of 214018256873 is 378652810412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172820624089 + 41197632784 = 415717^2 + 202972^2 .

It is a cyclic number.

It is not a de Polignac number, because 214018256873 - 2¹⁴ = 214018240489 is a prime.

It is not a weakly prime, because it can be changed into another prime (214018256833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107009128436 + 107009128437.

It is an arithmetic number, because the mean of its divisors is an integer number (107009128437).

Almost surely, 2^214018256873 is an apocalyptic number.

It is an amenable number.

214018256873 is a deficient number, since it is larger than the sum of its proper divisors (1).

214018256873 is an equidigital number, since it uses as much as digits as its factorization.

214018256873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 214018256873 in words is "two hundred fourteen billion, eighteen million, two hundred fifty-six thousand, eight hundred seventy-three".