8713214645 has 4 divisors (see below), whose sum is σ = 10455857580. Its totient is φ = 6970571712.

The previous prime is 8713214639. The next prime is 8713214647. The reversal of 8713214645 is 5464123178.

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 5577998596 + 3135216049 = 74686^2 + 55993^2 .

It is a cyclic number.

It is not a de Polignac number, because 8713214645 - 2⁶ = 8713214581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8713214647) 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, 871321460 + ... + 871321469.

It is an arithmetic number, because the mean of its divisors is an integer number (2613964395).

Almost surely, 2^8713214645 is an apocalyptic number.

It is an amenable number.

8713214645 is a deficient number, since it is larger than the sum of its proper divisors (1742642935).

8713214645 is a wasteful number, since it uses less digits than its factorization.

8713214645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742642934.

The product of its digits is 161280, while the sum is 41.

The square root of 8713214645 is about 93344.6015846658. The cubic root of 8713214645 is about 2057.7509186909.

The spelling of 8713214645 in words is "eight billion, seven hundred thirteen million, two hundred fourteen thousand, six hundred forty-five".