518419946 has 8 divisors (see below), whose sum is σ = 848323584. Its totient is φ = 235645420.

The previous prime is 518419933. The next prime is 518419963. The reversal of 518419946 is 649914815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 518419946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11782250 + ... + 11782293.

It is an arithmetic number, because the mean of its divisors is an integer number (106040448).

Almost surely, 2^518419946 is an apocalyptic number.

518419946 is a deficient number, since it is larger than the sum of its proper divisors (329903638).

518419946 is a wasteful number, since it uses less digits than its factorization.

518419946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23564556.

The product of its digits is 311040, while the sum is 47.

The square root of 518419946 is about 22768.8371683756. The cubic root of 518419946 is about 803.3298428288.

The spelling of 518419946 in words is "five hundred eighteen million, four hundred nineteen thousand, nine hundred forty-six".