3486666317857 has 2 divisors, whose sum is σ = 3486666317858. Its totient is φ = 3486666317856.

The previous prime is 3486666317779. The next prime is 3486666317879. The reversal of 3486666317857 is 7587136666843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2889316640401 + 597349677456 = 1699799^2 + 772884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3486666317857 is a prime.

It is not a weakly prime, because it can be changed into another prime (3486666917857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743333158928 + 1743333158929.

It is an arithmetic number, because the mean of its divisors is an integer number (1743333158929).

Almost surely, 2^{3486666317857} is an apocalyptic number.

It is an amenable number.

3486666317857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486666317857 is an equidigital number, since it uses as much as digits as its factorization.

3486666317857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 731566080, while the sum is 70.

The spelling of 3486666317857 in words is "three trillion, four hundred eighty-six billion, six hundred sixty-six million, three hundred seventeen thousand, eight hundred fifty-seven".