424266384469 has 2 divisors, whose sum is σ = 424266384470. Its totient is φ = 424266384468.

The previous prime is 424266384439. The next prime is 424266384539. The reversal of 424266384469 is 964483662424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365464984369 + 58801400100 = 604537^2 + 242490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424266384469 is a prime.

It is a super-2 number, since 2×424266384469² (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 (424266384419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212133192234 + 212133192235.

It is an arithmetic number, because the mean of its divisors is an integer number (212133192235).

Almost surely, 2^424266384469 is an apocalyptic number.

It is an amenable number.

424266384469 is a deficient number, since it is larger than the sum of its proper divisors (1).

424266384469 is an equidigital number, since it uses as much as digits as its factorization.

424266384469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47775744, while the sum is 58.

The spelling of 424266384469 in words is "four hundred twenty-four billion, two hundred sixty-six million, three hundred eighty-four thousand, four hundred sixty-nine".