209170810483 has 2 divisors, whose sum is σ = 209170810484. Its totient is φ = 209170810482.

The previous prime is 209170810451. The next prime is 209170810493. The reversal of 209170810483 is 384018071902.

209170810483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 209170810483 - 2⁵ = 209170810451 is a prime.

It is not a weakly prime, because it can be changed into another prime (209170810493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104585405241 + 104585405242.

It is an arithmetic number, because the mean of its divisors is an integer number (104585405242).

Almost surely, 2^209170810483 is an apocalyptic number.

209170810483 is a deficient number, since it is larger than the sum of its proper divisors (1).

209170810483 is an equidigital number, since it uses as much as digits as its factorization.

209170810483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 209170810483 in words is "two hundred nine billion, one hundred seventy million, eight hundred ten thousand, four hundred eighty-three".