8534193517 has 2 divisors, whose sum is σ = 8534193518. Its totient is φ = 8534193516.

The previous prime is 8534193491. The next prime is 8534193527. The reversal of 8534193517 is 7153914358.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8402655556 + 131537961 = 91666^2 + 11469^2 .

It is a cyclic number.

It is not a de Polignac number, because 8534193517 - 2¹⁵ = 8534160749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8534193527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267096758 + 4267096759.

It is an arithmetic number, because the mean of its divisors is an integer number (4267096759).

Almost surely, 2^8534193517 is an apocalyptic number.

It is an amenable number.

8534193517 is a deficient number, since it is larger than the sum of its proper divisors (1).

8534193517 is an equidigital number, since it uses as much as digits as its factorization.

8534193517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 46.

The square root of 8534193517 is about 92380.6988336850. The cubic root of 8534193517 is about 2043.5604806234.

The spelling of 8534193517 in words is "eight billion, five hundred thirty-four million, one hundred ninety-three thousand, five hundred seventeen".