182823809469869 has 2 divisors, whose sum is σ = 182823809469870. Its totient is φ = 182823809469868.

The previous prime is 182823809469817. The next prime is 182823809469881. The reversal of 182823809469869 is 968964908328281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181294456780969 + 1529352688900 = 13464563^2 + 1236670^2 .

It is a cyclic number.

It is not a de Polignac number, because 182823809469869 - 2²⁸ = 182823541034413 is a prime.

It is a super-2 number, since 2×182823809469869² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182823806469869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91411904734934 + 91411904734935.

It is an arithmetic number, because the mean of its divisors is an integer number (91411904734935).

Almost surely, 2^{182823809469869} is an apocalyptic number.

It is an amenable number.

182823809469869 is a deficient number, since it is larger than the sum of its proper divisors (1).

182823809469869 is an equidigital number, since it uses as much as digits as its factorization.

182823809469869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5159780352, while the sum is 83.

The spelling of 182823809469869 in words is "one hundred eighty-two trillion, eight hundred twenty-three billion, eight hundred nine million, four hundred sixty-nine thousand, eight hundred sixty-nine".