8675219945 has 12 divisors (see below), whose sum is σ = 12109899204. Its totient is φ = 5948722080.

The previous prime is 8675219939. The next prime is 8675219951. The reversal of 8675219945 is 5499125768.

It is an interprime number because it is at equal distance from previous prime (8675219939) and next prime (8675219951).

It can be written as a sum of positive squares in 2 ways, for example, as 6844749289 + 1830470656 = 82733^2 + 42784^2 .

It is not a de Polignac number, because 8675219945 - 2⁶ = 8675219881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17704286 + ... + 17704775.

It is an arithmetic number, because the mean of its divisors is an integer number (1009158267).

Almost surely, 2^8675219945 is an apocalyptic number.

It is an amenable number.

8675219945 is a deficient number, since it is larger than the sum of its proper divisors (3434679259).

8675219945 is a wasteful number, since it uses less digits than its factorization.

8675219945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35409080 (or 35409073 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The square root of 8675219945 is about 93140.8607701260. The cubic root of 8675219945 is about 2054.7555623956.

The spelling of 8675219945 in words is "eight billion, six hundred seventy-five million, two hundred nineteen thousand, nine hundred forty-five".