2193868799 has 2 divisors, whose sum is σ = 2193868800. Its totient is φ = 2193868798.

The previous prime is 2193868783. The next prime is 2193868841. The reversal of 2193868799 is 9978683912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2193868799 - 2⁴ = 2193868783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2193868709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096934399 + 1096934400.

It is an arithmetic number, because the mean of its divisors is an integer number (1096934400).

Almost surely, 2^2193868799 is an apocalyptic number.

2193868799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193868799 is an equidigital number, since it uses as much as digits as its factorization.

2193868799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 62.

The square root of 2193868799 is about 46838.7531751220. The cubic root of 2193868799 is about 1299.3821124802.

The spelling of 2193868799 in words is "two billion, one hundred ninety-three million, eight hundred sixty-eight thousand, seven hundred ninety-nine".