32412421565 has 16 divisors (see below), whose sum is σ = 39530291760. Its totient is φ = 25509619200.

The previous prime is 32412421529. The next prime is 32412421579. The reversal of 32412421565 is 56512421423.

It can be written as a sum of positive squares in 8 ways, for example, as 1617085369 + 30795336196 = 40213^2 + 175486^2 .

It is not a de Polignac number, because 32412421565 - 2²² = 32408227261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125120 + ... + 283689.

It is an arithmetic number, because the mean of its divisors is an integer number (2470643235).

Almost surely, 2^32412421565 is an apocalyptic number.

It is an amenable number.

32412421565 is a deficient number, since it is larger than the sum of its proper divisors (7117870195).

32412421565 is a wasteful number, since it uses less digits than its factorization.

32412421565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409072.

The product of its digits is 57600, while the sum is 35.

Adding to 32412421565 its reverse (56512421423), we get a palindrome (88924842988).

The spelling of 32412421565 in words is "thirty-two billion, four hundred twelve million, four hundred twenty-one thousand, five hundred sixty-five".