32320312989 has 8 divisors (see below), whose sum is σ = 43139745600. Its totient is φ = 21523877856.

The previous prime is 32320312987. The next prime is 32320313009. The reversal of 32320312989 is 98921302323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32320312989 - 2¹ = 32320312987 is a prime.

It is a super-2 number, since 2×32320312989² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32320312989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320312987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5746089 + ... + 5751710.

It is an arithmetic number, because the mean of its divisors is an integer number (5392468200).

Almost surely, 2^32320312989 is an apocalyptic number.

It is an amenable number.

32320312989 is a deficient number, since it is larger than the sum of its proper divisors (10819432611).

32320312989 is a wasteful number, since it uses less digits than its factorization.

32320312989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498739.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 32320312989 in words is "thirty-two billion, three hundred twenty million, three hundred twelve thousand, nine hundred eighty-nine".