322430409493 has 2 divisors, whose sum is σ = 322430409494. Its totient is φ = 322430409492.

The previous prime is 322430409479. The next prime is 322430409529. The reversal of 322430409493 is 394904034223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271292014449 + 51138395044 = 520857^2 + 226138^2 .

It is a cyclic number.

It is not a de Polignac number, because 322430409493 - 2⁵ = 322430409461 is a prime.

It is a super-2 number, since 2×322430409493² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322430409403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161215204746 + 161215204747.

It is an arithmetic number, because the mean of its divisors is an integer number (161215204747).

Almost surely, 2^322430409493 is an apocalyptic number.

It is an amenable number.

322430409493 is a deficient number, since it is larger than the sum of its proper divisors (1).

322430409493 is an equidigital number, since it uses as much as digits as its factorization.

322430409493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 322430409493 in words is "three hundred twenty-two billion, four hundred thirty million, four hundred nine thousand, four hundred ninety-three".