421232232097 has 2 divisors, whose sum is σ = 421232232098. Its totient is φ = 421232232096.

The previous prime is 421232232041. The next prime is 421232232199. The reversal of 421232232097 is 790232232124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421014108736 + 218123361 = 648856^2 + 14769^2 .

It is a cyclic number.

It is not a de Polignac number, because 421232232097 - 2¹⁵ = 421232199329 is a prime.

It is not a weakly prime, because it can be changed into another prime (421232232007) 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, 210616116048 + 210616116049.

It is an arithmetic number, because the mean of its divisors is an integer number (210616116049).

Almost surely, 2^421232232097 is an apocalyptic number.

It is an amenable number.

421232232097 is a deficient number, since it is larger than the sum of its proper divisors (1).

421232232097 is an equidigital number, since it uses as much as digits as its factorization.

421232232097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 421232232097 in words is "four hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, ninety-seven".