32568748409 has 2 divisors, whose sum is σ = 32568748410. Its totient is φ = 32568748408.

The previous prime is 32568748403. The next prime is 32568748417. The reversal of 32568748409 is 90484786523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32349619600 + 219128809 = 179860^2 + 14803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32568748409 is a prime.

It is not a weakly prime, because it can be changed into another prime (32568748403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16284374204 + 16284374205.

It is an arithmetic number, because the mean of its divisors is an integer number (16284374205).

Almost surely, 2^32568748409 is an apocalyptic number.

It is an amenable number.

32568748409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32568748409 is an equidigital number, since it uses as much as digits as its factorization.

32568748409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 32568748409 in words is "thirty-two billion, five hundred sixty-eight million, seven hundred forty-eight thousand, four hundred nine".