8547975413 has 4 divisors (see below), whose sum is σ = 8548981068. Its totient is φ = 8546969760.

The previous prime is 8547975407. The next prime is 8547975419. The reversal of 8547975413 is 3145797458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145797458 = 2 ⋅1572898729.

It is an interprime number because it is at equal distance from previous prime (8547975407) and next prime (8547975419).

It can be written as a sum of positive squares in 2 ways, for example, as 6080568484 + 2467406929 = 77978^2 + 49673^2 .

It is a cyclic number.

It is not a de Polignac number, because 8547975413 - 2¹⁴ = 8547959029 is a prime.

It is a super-2 number, since 2×8547975413² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8547975419) 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 3 ways as a sum of consecutive naturals, for example, 489968 + ... + 507113.

It is an arithmetic number, because the mean of its divisors is an integer number (2137245267).

Almost surely, 2^8547975413 is an apocalyptic number.

It is an amenable number.

8547975413 is a deficient number, since it is larger than the sum of its proper divisors (1005655).

8547975413 is an equidigital number, since it uses as much as digits as its factorization.

8547975413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005654.

The product of its digits is 4233600, while the sum is 53.

The square root of 8547975413 is about 92455.2616836922. The cubic root of 8547975413 is about 2044.6599397486.

The spelling of 8547975413 in words is "eight billion, five hundred forty-seven million, nine hundred seventy-five thousand, four hundred thirteen".