32145204191 has 2 divisors, whose sum is σ = 32145204192. Its totient is φ = 32145204190.

The previous prime is 32145204181. The next prime is 32145204233. The reversal of 32145204191 is 19140254123.

It is a weak prime.

It is an emirp because it is prime and its reverse (19140254123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32145204191 - 2⁶ = 32145204127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32145204121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072602095 + 16072602096.

It is an arithmetic number, because the mean of its divisors is an integer number (16072602096).

Almost surely, 2^32145204191 is an apocalyptic number.

32145204191 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145204191 is an equidigital number, since it uses as much as digits as its factorization.

32145204191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 32145204191 in words is "thirty-two billion, one hundred forty-five million, two hundred four thousand, one hundred ninety-one".