32661233309 has 2 divisors, whose sum is σ = 32661233310. Its totient is φ = 32661233308.

The previous prime is 32661233243. The next prime is 32661233321. The reversal of 32661233309 is 90333216623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30528825625 + 2132407684 = 174725^2 + 46178^2 .

It is a cyclic number.

It is not a de Polignac number, because 32661233309 - 2²⁴ = 32644456093 is a prime.

It is a super-2 number, since 2×32661233309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32661233009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16330616654 + 16330616655.

It is an arithmetic number, because the mean of its divisors is an integer number (16330616655).

Almost surely, 2^32661233309 is an apocalyptic number.

It is an amenable number.

32661233309 is a deficient number, since it is larger than the sum of its proper divisors (1).

32661233309 is an equidigital number, since it uses as much as digits as its factorization.

32661233309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 38.

The spelling of 32661233309 in words is "thirty-two billion, six hundred sixty-one million, two hundred thirty-three thousand, three hundred nine".