424215436669 has 2 divisors, whose sum is σ = 424215436670. Its totient is φ = 424215436668.

The previous prime is 424215436609. The next prime is 424215436699. The reversal of 424215436669 is 966634512424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421217874169 + 2997562500 = 649013^2 + 54750^2 .

It is a cyclic number.

It is not a de Polignac number, because 424215436669 - 2¹³ = 424215428477 is a prime.

It is a super-2 number, since 2×424215436669² (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 (424215436609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212107718334 + 212107718335.

It is an arithmetic number, because the mean of its divisors is an integer number (212107718335).

Almost surely, 2^424215436669 is an apocalyptic number.

It is an amenable number.

424215436669 is a deficient number, since it is larger than the sum of its proper divisors (1).

424215436669 is an equidigital number, since it uses as much as digits as its factorization.

424215436669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 52.

The spelling of 424215436669 in words is "four hundred twenty-four billion, two hundred fifteen million, four hundred thirty-six thousand, six hundred sixty-nine".