204214312081807 has 2 divisors, whose sum is σ = 204214312081808. Its totient is φ = 204214312081806.

The previous prime is 204214312081783. The next prime is 204214312081877. The reversal of 204214312081807 is 708180213412402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204214312081807 - 2¹⁵ = 204214312049039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204214312081877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102107156040903 + 102107156040904.

It is an arithmetic number, because the mean of its divisors is an integer number (102107156040904).

Almost surely, 2^{204214312081807} is an apocalyptic number.

204214312081807 is a deficient number, since it is larger than the sum of its proper divisors (1).

204214312081807 is an equidigital number, since it uses as much as digits as its factorization.

204214312081807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 204214312081807 in words is "two hundred four trillion, two hundred fourteen billion, three hundred twelve million, eighty-one thousand, eight hundred seven".