32945928391 has 2 divisors, whose sum is σ = 32945928392. Its totient is φ = 32945928390.

The previous prime is 32945928331. The next prime is 32945928401. The reversal of 32945928391 is 19382954923.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32945928391 - 2²³ = 32937539783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32945928331) 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, 16472964195 + 16472964196.

It is an arithmetic number, because the mean of its divisors is an integer number (16472964196).

Almost surely, 2^32945928391 is an apocalyptic number.

32945928391 is a deficient number, since it is larger than the sum of its proper divisors (1).

32945928391 is an equidigital number, since it uses as much as digits as its factorization.

32945928391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 32945928391 in words is "thirty-two billion, nine hundred forty-five million, nine hundred twenty-eight thousand, three hundred ninety-one".