2865848681 has 2 divisors, whose sum is σ = 2865848682. Its totient is φ = 2865848680.

The previous prime is 2865848633. The next prime is 2865848693. The reversal of 2865848681 is 1868485682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2658949225 + 206899456 = 51565^2 + 14384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2865848681 - 2¹⁴ = 2865832297 is a prime.

It is a super-2 number, since 2×2865848681² = 16426177324778879522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2865848081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432924340 + 1432924341.

It is an arithmetic number, because the mean of its divisors is an integer number (1432924341).

Almost surely, 2^2865848681 is an apocalyptic number.

It is an amenable number.

2865848681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865848681 is an equidigital number, since it uses as much as digits as its factorization.

2865848681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5898240, while the sum is 56.

The square root of 2865848681 is about 53533.6219678811. The cubic root of 2865848681 is about 1420.4231829047.

The spelling of 2865848681 in words is "two billion, eight hundred sixty-five million, eight hundred forty-eight thousand, six hundred eighty-one".