8506748945 has 8 divisors (see below), whose sum is σ = 10244952744. Its totient is φ = 6780829824.

The previous prime is 8506748917. The next prime is 8506748947. The reversal of 8506748945 is 5498476058.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1107824656 + 7398924289 = 33284^2 + 86017^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8506748945 - 2⁸ = 8506748689 is a prime.

It is a super-2 number, since 2×8506748945² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8506748947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069644 + ... + 3072413.

It is an arithmetic number, because the mean of its divisors is an integer number (1280619093).

Almost surely, 2^8506748945 is an apocalyptic number.

It is an amenable number.

8506748945 is a deficient number, since it is larger than the sum of its proper divisors (1738203799).

8506748945 is a wasteful number, since it uses less digits than its factorization.

8506748945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142339.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The square root of 8506748945 is about 92232.0386037303. The cubic root of 8506748945 is about 2041.3675426906.

The spelling of 8506748945 in words is "eight billion, five hundred six million, seven hundred forty-eight thousand, nine hundred forty-five".