3786147968717 has 2 divisors, whose sum is σ = 3786147968718. Its totient is φ = 3786147968716.

The previous prime is 3786147968689. The next prime is 3786147968719. The reversal of 3786147968717 is 7178697416873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3637129579876 + 149018388841 = 1907126^2 + 386029^2 .

It is a cyclic number.

It is not a de Polignac number, because 3786147968717 - 2³⁸ = 3511270061773 is a prime.

Together with 3786147968719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3786147968719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893073984358 + 1893073984359.

It is an arithmetic number, because the mean of its divisors is an integer number (1893073984359).

Almost surely, 2^{3786147968717} is an apocalyptic number.

It is an amenable number.

3786147968717 is a deficient number, since it is larger than the sum of its proper divisors (1).

3786147968717 is an equidigital number, since it uses as much as digits as its factorization.

3786147968717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 597445632, while the sum is 74.

The spelling of 3786147968717 in words is "three trillion, seven hundred eighty-six billion, one hundred forty-seven million, nine hundred sixty-eight thousand, seven hundred seventeen".