2168892013 has 2 divisors, whose sum is σ = 2168892014. Its totient is φ = 2168892012.

The previous prime is 2168891993. The next prime is 2168892031. The reversal of 2168892013 is 3102988612.

Together with next prime (2168892031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024820004 + 144072009 = 44998^2 + 12003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168892013 - 2⁵ = 2168891981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168892053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084446006 + 1084446007.

It is an arithmetic number, because the mean of its divisors is an integer number (1084446007).

Almost surely, 2^2168892013 is an apocalyptic number.

It is an amenable number.

2168892013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168892013 is an equidigital number, since it uses as much as digits as its factorization.

2168892013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2168892013 is about 46571.3647319895. The cubic root of 2168892013 is about 1294.4322059794.

The spelling of 2168892013 in words is "two billion, one hundred sixty-eight million, eight hundred ninety-two thousand, thirteen".