419824869 has 4 divisors (see below), whose sum is σ = 559766496. Its totient is φ = 279883244.

The previous prime is 419824849. The next prime is 419824883. The reversal of 419824869 is 968428914.

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 a de Polignac number, because none of the positive numbers 2^k-419824869 is a prime.

It is a super-2 number, since 2×419824869² = 352505841261734322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419824849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69970809 + ... + 69970814.

It is an arithmetic number, because the mean of its divisors is an integer number (139941624).

Almost surely, 2^419824869 is an apocalyptic number.

It is an amenable number.

419824869 is a deficient number, since it is larger than the sum of its proper divisors (139941627).

419824869 is a wasteful number, since it uses less digits than its factorization.

419824869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139941626.

The product of its digits is 995328, while the sum is 51.

The square root of 419824869 is about 20489.6283275222. The cubic root of 419824869 is about 748.7831342737.

The spelling of 419824869 in words is "four hundred nineteen million, eight hundred twenty-four thousand, eight hundred sixty-nine".