8672195069 has 2 divisors, whose sum is σ = 8672195070. Its totient is φ = 8672195068.

The previous prime is 8672195033. The next prime is 8672195093. The reversal of 8672195069 is 9605912768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5544589444 + 3127605625 = 74462^2 + 55925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8672195069 is a prime.

It is a super-2 number, since 2×8672195069² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8672195069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8672125069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4336097534 + 4336097535.

It is an arithmetic number, because the mean of its divisors is an integer number (4336097535).

Almost surely, 2^8672195069 is an apocalyptic number.

It is an amenable number.

8672195069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8672195069 is an equidigital number, since it uses as much as digits as its factorization.

8672195069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 8672195069 is about 93124.6211750684. The cubic root of 8672195069 is about 2054.5167172190.

The spelling of 8672195069 in words is "eight billion, six hundred seventy-two million, one hundred ninety-five thousand, sixty-nine".