32213021989 has 2 divisors, whose sum is σ = 32213021990. Its totient is φ = 32213021988.

The previous prime is 32213021987. The next prime is 32213022007. The reversal of 32213021989 is 98912031223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26135572225 + 6077449764 = 161665^2 + 77958^2 .

It is an emirp because it is prime and its reverse (98912031223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32213021989 - 2¹ = 32213021987 is a prime.

It is a super-2 number, since 2×32213021989² (a number of 22 digits) contains 22 as substring.

Together with 32213021987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32213021987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106510994 + 16106510995.

It is an arithmetic number, because the mean of its divisors is an integer number (16106510995).

Almost surely, 2^32213021989 is an apocalyptic number.

It is an amenable number.

32213021989 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213021989 is an equidigital number, since it uses as much as digits as its factorization.

32213021989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 32213021989 in words is "thirty-two billion, two hundred thirteen million, twenty-one thousand, nine hundred eighty-nine".