324210021601 has 2 divisors, whose sum is σ = 324210021602. Its totient is φ = 324210021600.

The previous prime is 324210021589. The next prime is 324210021617. The reversal of 324210021601 is 106120012423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245372613201 + 78837408400 = 495351^2 + 280780^2 .

It is a cyclic number.

It is not a de Polignac number, because 324210021601 - 2⁹ = 324210021089 is a prime.

It is a super-2 number, since 2×324210021601² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (324210021691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162105010800 + 162105010801.

It is an arithmetic number, because the mean of its divisors is an integer number (162105010801).

Almost surely, 2^324210021601 is an apocalyptic number.

It is an amenable number.

324210021601 is a deficient number, since it is larger than the sum of its proper divisors (1).

324210021601 is an equidigital number, since it uses as much as digits as its factorization.

324210021601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 324210021601 in words is "three hundred twenty-four billion, two hundred ten million, twenty-one thousand, six hundred one".