32881986791 has 2 divisors, whose sum is σ = 32881986792. Its totient is φ = 32881986790.

The previous prime is 32881986779. The next prime is 32881986793. The reversal of 32881986791 is 19768918823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32881986791 is a prime.

Together with 32881986793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32881986793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16440993395 + 16440993396.

It is an arithmetic number, because the mean of its divisors is an integer number (16440993396).

Almost surely, 2^32881986791 is an apocalyptic number.

32881986791 is a deficient number, since it is larger than the sum of its proper divisors (1).

32881986791 is an equidigital number, since it uses as much as digits as its factorization.

32881986791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 62.

The spelling of 32881986791 in words is "thirty-two billion, eight hundred eighty-one million, nine hundred eighty-six thousand, seven hundred ninety-one".