8505064419 has 8 divisors (see below), whose sum is σ = 12007149840. Its totient is φ = 5336510976.

The previous prime is 8505064409. The next prime is 8505064481. The reversal of 8505064419 is 9144605058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8505064419 - 2⁵ = 8505064387 is a prime.

It is a super-2 number, since 2×8505064419² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8505064409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83382934 + ... + 83383035.

It is an arithmetic number, because the mean of its divisors is an integer number (1500893730).

Almost surely, 2^8505064419 is an apocalyptic number.

8505064419 is a deficient number, since it is larger than the sum of its proper divisors (3502085421).

8505064419 is a wasteful number, since it uses less digits than its factorization.

8505064419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166765989.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 8505064419 is about 92222.9061513462. The cubic root of 8505064419 is about 2041.2327883628.

The spelling of 8505064419 in words is "eight billion, five hundred five million, sixty-four thousand, four hundred nineteen".