204986146219 has 2 divisors, whose sum is σ = 204986146220. Its totient is φ = 204986146218.

The previous prime is 204986146213. The next prime is 204986146237. The reversal of 204986146219 is 912641689402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204986146219 - 2⁵ = 204986146187 is a prime.

It is a super-2 number, since 2×204986146219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204986146213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102493073109 + 102493073110.

It is an arithmetic number, because the mean of its divisors is an integer number (102493073110).

Almost surely, 2^204986146219 is an apocalyptic number.

204986146219 is a deficient number, since it is larger than the sum of its proper divisors (1).

204986146219 is an equidigital number, since it uses as much as digits as its factorization.

204986146219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 204986146219 in words is "two hundred four billion, nine hundred eighty-six million, one hundred forty-six thousand, two hundred nineteen".