424499969 has 4 divisors (see below), whose sum is σ = 424804800. Its totient is φ = 424195140.

The previous prime is 424499947. The next prime is 424499989. The reversal of 424499969 is 969994424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424499969 - 2¹² = 424495873 is a prime.

It is a super-2 number, since 2×424499969² = 360400447362001922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424499989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150317 + ... + 153114.

It is an arithmetic number, because the mean of its divisors is an integer number (106201200).

Almost surely, 2^424499969 is an apocalyptic number.

It is an amenable number.

424499969 is a deficient number, since it is larger than the sum of its proper divisors (304831).

424499969 is a wasteful number, since it uses less digits than its factorization.

424499969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304830.

The product of its digits is 5038848, while the sum is 56.

The square root of 424499969 is about 20603.3970257334. The cubic root of 424499969 is about 751.5523220303.

The spelling of 424499969 in words is "four hundred twenty-four million, four hundred ninety-nine thousand, nine hundred sixty-nine".