8499434473 has 2 divisors, whose sum is σ = 8499434474. Its totient is φ = 8499434472.

The previous prime is 8499434459. The next prime is 8499434479. The reversal of 8499434473 is 3744349948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6824742544 + 1674691929 = 82612^2 + 40923^2 .

It is a cyclic number.

It is not a de Polignac number, because 8499434473 - 2⁵ = 8499434441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8499434479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249717236 + 4249717237.

It is an arithmetic number, because the mean of its divisors is an integer number (4249717237).

Almost surely, 2^8499434473 is an apocalyptic number.

It is an amenable number.

8499434473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8499434473 is an equidigital number, since it uses as much as digits as its factorization.

8499434473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 55.

The square root of 8499434473 is about 92192.3775211378. The cubic root of 8499434473 is about 2040.7822894418.

The spelling of 8499434473 in words is "eight billion, four hundred ninety-nine million, four hundred thirty-four thousand, four hundred seventy-three".