32556996949 has 2 divisors, whose sum is σ = 32556996950. Its totient is φ = 32556996948.

The previous prime is 32556996911. The next prime is 32556996971. The reversal of 32556996949 is 94969965523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32397480049 + 159516900 = 179993^2 + 12630^2 .

It is a cyclic number.

It is not a de Polignac number, because 32556996949 - 2¹¹ = 32556994901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32556996349) 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, 16278498474 + 16278498475.

It is an arithmetic number, because the mean of its divisors is an integer number (16278498475).

Almost surely, 2^32556996949 is an apocalyptic number.

It is an amenable number.

32556996949 is a deficient number, since it is larger than the sum of its proper divisors (1).

32556996949 is an equidigital number, since it uses as much as digits as its factorization.

32556996949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141717600, while the sum is 67.

The spelling of 32556996949 in words is "thirty-two billion, five hundred fifty-six million, nine hundred ninety-six thousand, nine hundred forty-nine".