32681408399 has 8 divisors (see below), whose sum is σ = 32846279760. Its totient is φ = 32516900416.

The previous prime is 32681408387. The next prime is 32681408407. The reversal of 32681408399 is 99380418623.

It is a happy number.

It is a Cunningham number, because it is equal to 180780²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 32681408399 - 2⁸ = 32681408143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32681408399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32681408369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90392 + ... + 271170.

It is an arithmetic number, because the mean of its divisors is an integer number (4105784970).

Almost surely, 2^32681408399 is an apocalyptic number.

32681408399 is a deficient number, since it is larger than the sum of its proper divisors (164871361).

32681408399 is a wasteful number, since it uses less digits than its factorization.

32681408399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181689.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 32681408399 in words is "thirty-two billion, six hundred eighty-one million, four hundred eight thousand, three hundred ninety-nine".