82843163149 has 2 divisors, whose sum is σ = 82843163150. Its totient is φ = 82843163148.

The previous prime is 82843163119. The next prime is 82843163153. The reversal of 82843163149 is 94136134828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69990406249 + 12852756900 = 264557^2 + 113370^2 .

It is a cyclic number.

It is not a de Polignac number, because 82843163149 - 2⁷ = 82843163021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82843163119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41421581574 + 41421581575.

It is an arithmetic number, because the mean of its divisors is an integer number (41421581575).

Almost surely, 2^82843163149 is an apocalyptic number.

It is an amenable number.

82843163149 is a deficient number, since it is larger than the sum of its proper divisors (1).

82843163149 is an equidigital number, since it uses as much as digits as its factorization.

82843163149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The spelling of 82843163149 in words is "eighty-two billion, eight hundred forty-three million, one hundred sixty-three thousand, one hundred forty-nine".