32686504091 has 2 divisors, whose sum is σ = 32686504092. Its totient is φ = 32686504090.

The previous prime is 32686504049. The next prime is 32686504153. The reversal of 32686504091 is 19040568623.

It is a weak prime.

It is an emirp because it is prime and its reverse (19040568623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32686504091 is a prime.

It is not a weakly prime, because it can be changed into another prime (32686504021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16343252045 + 16343252046.

It is an arithmetic number, because the mean of its divisors is an integer number (16343252046).

Almost surely, 2^32686504091 is an apocalyptic number.

32686504091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32686504091 is an equidigital number, since it uses as much as digits as its factorization.

32686504091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 32686504091 in words is "thirty-two billion, six hundred eighty-six million, five hundred four thousand, ninety-one".