32007243809 has 2 divisors, whose sum is σ = 32007243810. Its totient is φ = 32007243808.

The previous prime is 32007243787. The next prime is 32007243823. The reversal of 32007243809 is 90834270023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32006283409 + 960400 = 178903^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 32007243809 - 2⁸ = 32007243553 is a prime.

It is not a weakly prime, because it can be changed into another prime (32007243859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003621904 + 16003621905.

It is an arithmetic number, because the mean of its divisors is an integer number (16003621905).

Almost surely, 2^32007243809 is an apocalyptic number.

It is an amenable number.

32007243809 is a deficient number, since it is larger than the sum of its proper divisors (1).

32007243809 is an equidigital number, since it uses as much as digits as its factorization.

32007243809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 32007243809 in words is "thirty-two billion, seven million, two hundred forty-three thousand, eight hundred nine".