2868016391 has 2 divisors, whose sum is σ = 2868016392. Its totient is φ = 2868016390.

The previous prime is 2868016369. The next prime is 2868016421. The reversal of 2868016391 is 1936108682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2868016391 - 2¹⁴ = 2868000007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2868016691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434008195 + 1434008196.

It is an arithmetic number, because the mean of its divisors is an integer number (1434008196).

Almost surely, 2^2868016391 is an apocalyptic number.

2868016391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868016391 is an equidigital number, since it uses as much as digits as its factorization.

2868016391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2868016391 is about 53553.8643890429. The cubic root of 2868016391 is about 1420.7812257137.

The spelling of 2868016391 in words is "two billion, eight hundred sixty-eight million, sixteen thousand, three hundred ninety-one".