41662532609 has 2 divisors, whose sum is σ = 41662532610. Its totient is φ = 41662532608.

The previous prime is 41662532567. The next prime is 41662532633. The reversal of 41662532609 is 90623526614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31578356209 + 10084176400 = 177703^2 + 100420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41662532609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41662532609.

It is not a weakly prime, because it can be changed into another prime (41662532699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20831266304 + 20831266305.

It is an arithmetic number, because the mean of its divisors is an integer number (20831266305).

Almost surely, 2^41662532609 is an apocalyptic number.

It is an amenable number.

41662532609 is a deficient number, since it is larger than the sum of its proper divisors (1).

41662532609 is an equidigital number, since it uses as much as digits as its factorization.

41662532609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 41662532609 in words is "forty-one billion, six hundred sixty-two million, five hundred thirty-two thousand, six hundred nine".