2866985515673 has 2 divisors, whose sum is σ = 2866985515674. Its totient is φ = 2866985515672.

The previous prime is 2866985515663. The next prime is 2866985515711. The reversal of 2866985515673 is 3765155896682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2735759004169 + 131226511504 = 1654013^2 + 362252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866985515673 - 2¹⁰ = 2866985514649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2866985515597 and 2866985515606.

It is not a weakly prime, because it can be changed into another prime (2866985515663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433492757836 + 1433492757837.

It is an arithmetic number, because the mean of its divisors is an integer number (1433492757837).

Almost surely, 2^{2866985515673} is an apocalyptic number.

It is an amenable number.

2866985515673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866985515673 is an equidigital number, since it uses as much as digits as its factorization.

2866985515673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184000, while the sum is 71.

The spelling of 2866985515673 in words is "two trillion, eight hundred sixty-six billion, nine hundred eighty-five million, five hundred fifteen thousand, six hundred seventy-three".