36421232321 has 2 divisors, whose sum is σ = 36421232322. Its totient is φ = 36421232320.

The previous prime is 36421232311. The next prime is 36421232359. The reversal of 36421232321 is 12323212463.

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., 34183942321 + 2237290000 = 184889^2 + 47300^2 .

It is a cyclic number.

It is not a de Polignac number, because 36421232321 - 2¹⁴ = 36421215937 is a prime.

It is not a weakly prime, because it can be changed into another prime (36421232311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18210616160 + 18210616161.

It is an arithmetic number, because the mean of its divisors is an integer number (18210616161).

Almost surely, 2^36421232321 is an apocalyptic number.

It is an amenable number.

36421232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36421232321 is an equidigital number, since it uses as much as digits as its factorization.

36421232321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

Adding to 36421232321 its reverse (12323212463), we get a palindrome (48744444784).

The spelling of 36421232321 in words is "thirty-six billion, four hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-one".