8513374841 has 2 divisors, whose sum is σ = 8513374842. Its totient is φ = 8513374840.

The previous prime is 8513374817. The next prime is 8513374843. The reversal of 8513374841 is 1484733158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8058832441 + 454542400 = 89771^2 + 21320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8513374841 is a prime.

Together with 8513374843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8513374792 and 8513374801.

It is not a weakly prime, because it can be changed into another prime (8513374843) 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 as a sum of consecutive naturals, namely, 4256687420 + 4256687421.

It is an arithmetic number, because the mean of its divisors is an integer number (4256687421).

Almost surely, 2^8513374841 is an apocalyptic number.

It is an amenable number.

8513374841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513374841 is an equidigital number, since it uses as much as digits as its factorization.

8513374841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 8513374841 is about 92267.9513211386. The cubic root of 8513374841 is about 2041.8974113426.

The spelling of 8513374841 in words is "eight billion, five hundred thirteen million, three hundred seventy-four thousand, eight hundred forty-one".