32681408407 has 2 divisors, whose sum is σ = 32681408408. Its totient is φ = 32681408406.

The previous prime is 32681408387. The next prime is 32681408449. The reversal of 32681408407 is 70480418623.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32681408407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32681408477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16340704203 + 16340704204.

It is an arithmetic number, because the mean of its divisors is an integer number (16340704204).

Almost surely, 2^32681408407 is an apocalyptic number.

32681408407 is a deficient number, since it is larger than the sum of its proper divisors (1).

32681408407 is an equidigital number, since it uses as much as digits as its factorization.

32681408407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 32681408407 in words is "thirty-two billion, six hundred eighty-one million, four hundred eight thousand, four hundred seven".