3894834612517 has 2 divisors, whose sum is σ = 3894834612518. Its totient is φ = 3894834612516.

The previous prime is 3894834612499. The next prime is 3894834612527. The reversal of 3894834612517 is 7152164384983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3864845378241 + 29989234276 = 1965921^2 + 173174^2 .

It is an emirp because it is prime and its reverse (7152164384983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3894834612517 - 2³⁹ = 3345078798629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3894834612527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947417306258 + 1947417306259.

It is an arithmetic number, because the mean of its divisors is an integer number (1947417306259).

Almost surely, 2^{3894834612517} is an apocalyptic number.

It is an amenable number.

3894834612517 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894834612517 is an equidigital number, since it uses as much as digits as its factorization.

3894834612517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The spelling of 3894834612517 in words is "three trillion, eight hundred ninety-four billion, eight hundred thirty-four million, six hundred twelve thousand, five hundred seventeen".