32432012309 has 2 divisors, whose sum is σ = 32432012310. Its totient is φ = 32432012308.

The previous prime is 32432012297. The next prime is 32432012377. The reversal of 32432012309 is 90321023423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22786808209 + 9645204100 = 150953^2 + 98210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32432012309 is a prime.

It is a super-2 number, since 2×32432012309² (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 (32432012909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16216006154 + 16216006155.

It is an arithmetic number, because the mean of its divisors is an integer number (16216006155).

Almost surely, 2^32432012309 is an apocalyptic number.

It is an amenable number.

32432012309 is a deficient number, since it is larger than the sum of its proper divisors (1).

32432012309 is an equidigital number, since it uses as much as digits as its factorization.

32432012309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 32432012309 in words is "thirty-two billion, four hundred thirty-two million, twelve thousand, three hundred nine".