819473068 has 48 divisors (see below), whose sum is σ = 1548862560. Its totient is φ = 378560000.

The previous prime is 819473051. The next prime is 819473069. The reversal of 819473068 is 860374918.

It is a happy number.

It is a super-2 number, since 2×819473068² = 1343072218354665248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (819473069) 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 15 ways as a sum of consecutive naturals, for example, 250443 + ... + 253693.

It is an arithmetic number, because the mean of its divisors is an integer number (32267970).

Almost surely, 2^819473068 is an apocalyptic number.

It is an amenable number.

819473068 is a deficient number, since it is larger than the sum of its proper divisors (729389492).

819473068 is a wasteful number, since it uses less digits than its factorization.

819473068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 819473068 is about 28626.4400161808. The cubic root of 819473068 is about 935.7896302612.

The spelling of 819473068 in words is "eight hundred nineteen million, four hundred seventy-three thousand, sixty-eight".