32430135509 has 2 divisors, whose sum is σ = 32430135510. Its totient is φ = 32430135508.

The previous prime is 32430135487. The next prime is 32430135559. The reversal of 32430135509 is 90553103423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27184754884 + 5245380625 = 164878^2 + 72425^2 .

It is a cyclic number.

It is not a de Polignac number, because 32430135509 - 2⁸ = 32430135253 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 (32430135559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16215067754 + 16215067755.

It is an arithmetic number, because the mean of its divisors is an integer number (16215067755).

Almost surely, 2^32430135509 is an apocalyptic number.

It is an amenable number.

32430135509 is a deficient number, since it is larger than the sum of its proper divisors (1).

32430135509 is an equidigital number, since it uses as much as digits as its factorization.

32430135509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 32430135509 in words is "thirty-two billion, four hundred thirty million, one hundred thirty-five thousand, five hundred nine".