32121196609 has 2 divisors, whose sum is σ = 32121196610. Its totient is φ = 32121196608.

The previous prime is 32121196603. The next prime is 32121196619. The reversal of 32121196609 is 90669112123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31669761600 + 451435009 = 177960^2 + 21247^2 .

It is an emirp because it is prime and its reverse (90669112123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32121196609 - 2⁹ = 32121196097 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121196603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060598304 + 16060598305.

It is an arithmetic number, because the mean of its divisors is an integer number (16060598305).

Almost surely, 2^32121196609 is an apocalyptic number.

It is an amenable number.

32121196609 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121196609 is an equidigital number, since it uses as much as digits as its factorization.

32121196609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 32121196609 in words is "thirty-two billion, one hundred twenty-one million, one hundred ninety-six thousand, six hundred nine".