32366845991 has 2 divisors, whose sum is σ = 32366845992. Its totient is φ = 32366845990.

The previous prime is 32366845981. The next prime is 32366845993. The reversal of 32366845991 is 19954866323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32366845991 is a prime.

It is a super-2 number, since 2×32366845991² (a number of 22 digits) contains 22 as substring.

Together with 32366845993, 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 (32366845993) 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, 16183422995 + 16183422996.

It is an arithmetic number, because the mean of its divisors is an integer number (16183422996).

Almost surely, 2^32366845991 is an apocalyptic number.

32366845991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32366845991 is an equidigital number, since it uses as much as digits as its factorization.

32366845991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 56.

The spelling of 32366845991 in words is "thirty-two billion, three hundred sixty-six million, eight hundred forty-five thousand, nine hundred ninety-one".