2868142489 has 2 divisors, whose sum is σ = 2868142490. Its totient is φ = 2868142488.

The previous prime is 2868142451. The next prime is 2868142517. The reversal of 2868142489 is 9842418682.

2868142489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2334532489 + 533610000 = 48317^2 + 23100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868142489 - 2²³ = 2859753881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2868149489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434071244 + 1434071245.

It is an arithmetic number, because the mean of its divisors is an integer number (1434071245).

Almost surely, 2^2868142489 is an apocalyptic number.

It is an amenable number.

2868142489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868142489 is an equidigital number, since it uses as much as digits as its factorization.

2868142489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 52.

The square root of 2868142489 is about 53555.0416767647. The cubic root of 2868142489 is about 1420.8020478919.

The spelling of 2868142489 in words is "two billion, eight hundred sixty-eight million, one hundred forty-two thousand, four hundred eighty-nine".