209089482827 has 2 divisors, whose sum is σ = 209089482828. Its totient is φ = 209089482826.

The previous prime is 209089482787. The next prime is 209089482869. The reversal of 209089482827 is 728284980902.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-209089482827 is a prime.

It is not a weakly prime, because it can be changed into another prime (209089482227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104544741413 + 104544741414.

It is an arithmetic number, because the mean of its divisors is an integer number (104544741414).

Almost surely, 2^209089482827 is an apocalyptic number.

209089482827 is a deficient number, since it is larger than the sum of its proper divisors (1).

209089482827 is an equidigital number, since it uses as much as digits as its factorization.

209089482827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 209089482827 in words is "two hundred nine billion, eighty-nine million, four hundred eighty-two thousand, eight hundred twenty-seven".