819484461 has 6 divisors (see below), whose sum is σ = 1183699790. Its totient is φ = 546322968.

The previous prime is 819484451. The next prime is 819484469. The reversal of 819484461 is 164484918.

819484461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 778075236 + 41409225 = 27894^2 + 6435^2 .

It is not a de Polignac number, because 819484461 - 2⁵ = 819484429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819484469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45526906 + ... + 45526923.

Almost surely, 2^819484461 is an apocalyptic number.

It is an amenable number.

819484461 is a deficient number, since it is larger than the sum of its proper divisors (364215329).

819484461 is a wasteful number, since it uses less digits than its factorization.

819484461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91053835 (or 91053832 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 819484461 is about 28626.6390098454. The cubic root of 819484461 is about 935.7939669512.

The spelling of 819484461 in words is "eight hundred nineteen million, four hundred eighty-four thousand, four hundred sixty-one".