32823808649 has 2 divisors, whose sum is σ = 32823808650. Its totient is φ = 32823808648.

The previous prime is 32823808639. The next prime is 32823808673. The reversal of 32823808649 is 94680832823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32717574400 + 106234249 = 180880^2 + 10307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32823808649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32823808649.

It is not a weakly prime, because it can be changed into another prime (32823808639) 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, 16411904324 + 16411904325.

It is an arithmetic number, because the mean of its divisors is an integer number (16411904325).

Almost surely, 2^32823808649 is an apocalyptic number.

It is an amenable number.

32823808649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32823808649 is an equidigital number, since it uses as much as digits as its factorization.

32823808649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 32823808649 in words is "thirty-two billion, eight hundred twenty-three million, eight hundred eight thousand, six hundred forty-nine".