406324243489 has 2 divisors, whose sum is σ = 406324243490. Its totient is φ = 406324243488.

The previous prime is 406324243439. The next prime is 406324243597. The reversal of 406324243489 is 984342423604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384626953489 + 21697290000 = 620183^2 + 147300^2 .

It is a cyclic number.

It is not a de Polignac number, because 406324243489 - 2⁹ = 406324242977 is a prime.

It is not a weakly prime, because it can be changed into another prime (406324243439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203162121744 + 203162121745.

It is an arithmetic number, because the mean of its divisors is an integer number (203162121745).

Almost surely, 2^406324243489 is an apocalyptic number.

It is an amenable number.

406324243489 is a deficient number, since it is larger than the sum of its proper divisors (1).

406324243489 is an equidigital number, since it uses as much as digits as its factorization.

406324243489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 406324243489 in words is "four hundred six billion, three hundred twenty-four million, two hundred forty-three thousand, four hundred eighty-nine".