3156917716489 has 2 divisors, whose sum is σ = 3156917716490. Its totient is φ = 3156917716488.

The previous prime is 3156917716457. The next prime is 3156917716523. The reversal of 3156917716489 is 9846177196513.

3156917716489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2922075710464 + 234842006025 = 1709408^2 + 484605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3156917716489 - 2⁵ = 3156917716457 is a prime.

It is a super-2 number, since 2×3156917716489² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3156917716189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578458858244 + 1578458858245.

It is an arithmetic number, because the mean of its divisors is an integer number (1578458858245).

Almost surely, 2^{3156917716489} is an apocalyptic number.

It is an amenable number.

3156917716489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156917716489 is an equidigital number, since it uses as much as digits as its factorization.

3156917716489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 67.

The spelling of 3156917716489 in words is "three trillion, one hundred fifty-six billion, nine hundred seventeen million, seven hundred sixteen thousand, four hundred eighty-nine".