82419547473 has 6 divisors (see below), whose sum is σ = 119050457474. Its totient is φ = 54946364976.

The previous prime is 82419547451. The next prime is 82419547477. The reversal of 82419547473 is 37474591428.

82419547473 is a `hidden beast` number, since 8 + 2 + 41 + 95 + 47 + 473 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80765661249 + 1653886224 = 284193^2 + 40668^2 .

It is not a de Polignac number, because 82419547473 - 2⁹ = 82419546961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82419547477) 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, 4578863740 + ... + 4578863757.

Almost surely, 2^82419547473 is an apocalyptic number.

It is an amenable number.

82419547473 is a deficient number, since it is larger than the sum of its proper divisors (36630910001).

82419547473 is a wasteful number, since it uses less digits than its factorization.

82419547473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157727503 (or 9157727500 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 82419547473 in words is "eighty-two billion, four hundred nineteen million, five hundred forty-seven thousand, four hundred seventy-three".