418934469 has 4 divisors (see below), whose sum is σ = 558579296. Its totient is φ = 279289644.

The previous prime is 418934459. The next prime is 418934471. The reversal of 418934469 is 964439814.

It is a happy number.

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 not a de Polignac number, because 418934469 - 2²⁰ = 417885893 is a prime.

It is a super-2 number, since 2×418934469² = 351012178632623922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418934429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69822409 + ... + 69822414.

It is an arithmetic number, because the mean of its divisors is an integer number (139644824).

Almost surely, 2^418934469 is an apocalyptic number.

It is an amenable number.

418934469 is a deficient number, since it is larger than the sum of its proper divisors (139644827).

418934469 is a wasteful number, since it uses less digits than its factorization.

418934469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139644826.

The product of its digits is 746496, while the sum is 48.

The square root of 418934469 is about 20467.8887284449. Note that the first 3 decimals coincide. The cubic root of 418934469 is about 748.2533987808.

The spelling of 418934469 in words is "four hundred eighteen million, nine hundred thirty-four thousand, four hundred sixty-nine".