8084519521 has 4 divisors (see below), whose sum is σ = 8706405652. Its totient is φ = 7462633392.

The previous prime is 8084519489. The next prime is 8084519561. The reversal of 8084519521 is 1259154808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4802490000 + 3282029521 = 69300^2 + 57289^2 .

It is a cyclic number.

It is not a de Polignac number, because 8084519521 - 2⁵ = 8084519489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8084519561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310943046 + ... + 310943071.

It is an arithmetic number, because the mean of its divisors is an integer number (2176601413).

Almost surely, 2^8084519521 is an apocalyptic number.

It is an amenable number.

8084519521 is a deficient number, since it is larger than the sum of its proper divisors (621886131).

8084519521 is a wasteful number, since it uses less digits than its factorization.

8084519521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621886130.

The product of its (nonzero) digits is 115200, while the sum is 43.

The square root of 8084519521 is about 89913.9562081438. The cubic root of 8084519521 is about 2007.0186339929.

The spelling of 8084519521 in words is "eight billion, eighty-four million, five hundred nineteen thousand, five hundred twenty-one".