819743466 has 16 divisors (see below), whose sum is σ = 1650492000. Its totient is φ = 271413648.

The previous prime is 819743453. The next prime is 819743501. The reversal of 819743466 is 664347918.

819743466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457576 + ... + 459363.

It is an arithmetic number, because the mean of its divisors is an integer number (103155750).

Almost surely, 2^819743466 is an apocalyptic number.

819743466 is an abundant number, since it is smaller than the sum of its proper divisors (830748534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

819743466 is a wasteful number, since it uses less digits than its factorization.

819743466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917093.

The product of its digits is 870912, while the sum is 48.

The square root of 819743466 is about 28631.1624982291. The cubic root of 819743466 is about 935.8925451010.

The spelling of 819743466 in words is "eight hundred nineteen million, seven hundred forty-three thousand, four hundred sixty-six".