2868224813 has 2 divisors, whose sum is σ = 2868224814. Its totient is φ = 2868224812.

The previous prime is 2868224809. The next prime is 2868224837. The reversal of 2868224813 is 3184228682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2597227369 + 270997444 = 50963^2 + 16462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868224813 - 2² = 2868224809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2868224113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434112406 + 1434112407.

It is an arithmetic number, because the mean of its divisors is an integer number (1434112407).

Almost surely, 2^2868224813 is an apocalyptic number.

It is an amenable number.

2868224813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868224813 is an equidigital number, since it uses as much as digits as its factorization.

2868224813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 44.

The square root of 2868224813 is about 53555.8102636866. The cubic root of 2868224813 is about 1420.8156414737.

The spelling of 2868224813 in words is "two billion, eight hundred sixty-eight million, two hundred twenty-four thousand, eight hundred thirteen".