424434543149 has 2 divisors, whose sum is σ = 424434543150. Its totient is φ = 424434543148.

The previous prime is 424434543089. The next prime is 424434543157. The reversal of 424434543149 is 941345434424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343843849924 + 80590693225 = 586382^2 + 283885^2 .

It is a cyclic number.

It is not a de Polignac number, because 424434543149 - 2²⁸ = 424166107693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424434543749) 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, 212217271574 + 212217271575.

It is an arithmetic number, because the mean of its divisors is an integer number (212217271575).

Almost surely, 2^424434543149 is an apocalyptic number.

It is an amenable number.

424434543149 is a deficient number, since it is larger than the sum of its proper divisors (1).

424434543149 is an equidigital number, since it uses as much as digits as its factorization.

424434543149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 47.

The spelling of 424434543149 in words is "four hundred twenty-four billion, four hundred thirty-four million, five hundred forty-three thousand, one hundred forty-nine".