32165705213 has 2 divisors, whose sum is σ = 32165705214. Its totient is φ = 32165705212.

The previous prime is 32165705203. The next prime is 32165705249. The reversal of 32165705213 is 31250756123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23022903289 + 9142801924 = 151733^2 + 95618^2 .

It is an emirp because it is prime and its reverse (31250756123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32165705213 - 2⁶ = 32165705149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32165705203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082852606 + 16082852607.

It is an arithmetic number, because the mean of its divisors is an integer number (16082852607).

Almost surely, 2^32165705213 is an apocalyptic number.

It is an amenable number.

32165705213 is a deficient number, since it is larger than the sum of its proper divisors (1).

32165705213 is an equidigital number, since it uses as much as digits as its factorization.

32165705213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 32165705213 in words is "thirty-two billion, one hundred sixty-five million, seven hundred five thousand, two hundred thirteen".