8519794013 has 2 divisors, whose sum is σ = 8519794014. Its totient is φ = 8519794012.

The previous prime is 8519793977. The next prime is 8519794033. The reversal of 8519794013 is 3104979158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8412008089 + 107785924 = 91717^2 + 10382^2 .

It is a cyclic number.

It is not a de Polignac number, because 8519794013 - 2¹² = 8519789917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8519794033) 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, 4259897006 + 4259897007.

It is an arithmetic number, because the mean of its divisors is an integer number (4259897007).

Almost surely, 2^8519794013 is an apocalyptic number.

It is an amenable number.

8519794013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8519794013 is an equidigital number, since it uses as much as digits as its factorization.

8519794013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 8519794013 is about 92302.7302575606. The cubic root of 8519794013 is about 2042.4104862774.

The spelling of 8519794013 in words is "eight billion, five hundred nineteen million, seven hundred ninety-four thousand, thirteen".