32322432421 has 2 divisors, whose sum is σ = 32322432422. Its totient is φ = 32322432420.

The previous prime is 32322432319. The next prime is 32322432433. The reversal of 32322432421 is 12423422323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28991872900 + 3330559521 = 170270^2 + 57711^2 .

It is a cyclic number.

It is not a de Polignac number, because 32322432421 - 2¹³ = 32322424229 is a prime.

It is a super-2 number, since 2×32322432421² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32322432421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32322432491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16161216210 + 16161216211.

It is an arithmetic number, because the mean of its divisors is an integer number (16161216211).

Almost surely, 2^32322432421 is an apocalyptic number.

It is an amenable number.

32322432421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32322432421 is an equidigital number, since it uses as much as digits as its factorization.

32322432421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 28.

Adding to 32322432421 its reverse (12423422323), we get a palindrome (44745854744).

The spelling of 32322432421 in words is "thirty-two billion, three hundred twenty-two million, four hundred thirty-two thousand, four hundred twenty-one".