8558742478513 has 2 divisors, whose sum is σ = 8558742478514. Its totient is φ = 8558742478512.

The previous prime is 8558742478373. The next prime is 8558742478651. The reversal of 8558742478513 is 3158742478558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7797229691904 + 761512786609 = 2792352^2 + 872647^2 .

It is a cyclic number.

It is not a de Polignac number, because 8558742478513 - 2²¹ = 8558740381361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8558742472513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4279371239256 + 4279371239257.

It is an arithmetic number, because the mean of its divisors is an integer number (4279371239257).

Almost surely, 2^{8558742478513} is an apocalyptic number.

It is an amenable number.

8558742478513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8558742478513 is an equidigital number, since it uses as much as digits as its factorization.

8558742478513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056000, while the sum is 67.

The spelling of 8558742478513 in words is "eight trillion, five hundred fifty-eight billion, seven hundred forty-two million, four hundred seventy-eight thousand, five hundred thirteen".