32464506409 has 2 divisors, whose sum is σ = 32464506410. Its totient is φ = 32464506408.

The previous prime is 32464506397. The next prime is 32464506461. The reversal of 32464506409 is 90460546423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19880154009 + 12584352400 = 140997^2 + 112180^2 .

It is a cyclic number.

It is not a de Polignac number, because 32464506409 - 2¹⁹ = 32463982121 is a prime.

It is not a weakly prime, because it can be changed into another prime (32464506479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16232253204 + 16232253205.

It is an arithmetic number, because the mean of its divisors is an integer number (16232253205).

Almost surely, 2^32464506409 is an apocalyptic number.

It is an amenable number.

32464506409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32464506409 is an equidigital number, since it uses as much as digits as its factorization.

32464506409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 32464506409 in words is "thirty-two billion, four hundred sixty-four million, five hundred six thousand, four hundred nine".