32142120509 has 2 divisors, whose sum is σ = 32142120510. Its totient is φ = 32142120508.

The previous prime is 32142120497. The next prime is 32142120529. The reversal of 32142120509 is 90502124123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21434424025 + 10707696484 = 146405^2 + 103478^2 .

It is a cyclic number.

It is not a de Polignac number, because 32142120509 - 2²⁰ = 32141071933 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 (32142120529) 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, 16071060254 + 16071060255.

It is an arithmetic number, because the mean of its divisors is an integer number (16071060255).

Almost surely, 2^32142120509 is an apocalyptic number.

It is an amenable number.

32142120509 is a deficient number, since it is larger than the sum of its proper divisors (1).

32142120509 is an equidigital number, since it uses as much as digits as its factorization.

32142120509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 32142120509 in words is "thirty-two billion, one hundred forty-two million, one hundred twenty thousand, five hundred nine".