32681408387 has 2 divisors, whose sum is σ = 32681408388. Its totient is φ = 32681408386.

The previous prime is 32681408371. The next prime is 32681408407. The reversal of 32681408387 is 78380418623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32681408387 - 2⁴ = 32681408371 is a prime.

It is not a weakly prime, because it can be changed into another prime (32681408317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16340704193 + 16340704194.

It is an arithmetic number, because the mean of its divisors is an integer number (16340704194).

Almost surely, 2^32681408387 is an apocalyptic number.

32681408387 is a deficient number, since it is larger than the sum of its proper divisors (1).

32681408387 is an equidigital number, since it uses as much as digits as its factorization.

32681408387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 32681408387 in words is "thirty-two billion, six hundred eighty-one million, four hundred eight thousand, three hundred eighty-seven".