210409449611 has 2 divisors, whose sum is σ = 210409449612. Its totient is φ = 210409449610.

The previous prime is 210409449587. The next prime is 210409449623. The reversal of 210409449611 is 116944904012.

210409449611 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 210409449611 - 2³⁰ = 209335707787 is a prime.

It is not a weakly prime, because it can be changed into another prime (210409449661) 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, 105204724805 + 105204724806.

It is an arithmetic number, because the mean of its divisors is an integer number (105204724806).

Almost surely, 2^210409449611 is an apocalyptic number.

210409449611 is a deficient number, since it is larger than the sum of its proper divisors (1).

210409449611 is an equidigital number, since it uses as much as digits as its factorization.

210409449611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 210409449611 in words is "two hundred ten billion, four hundred nine million, four hundred forty-nine thousand, six hundred eleven".