2818394399 has 2 divisors, whose sum is σ = 2818394400. Its totient is φ = 2818394398.

The previous prime is 2818394347. The next prime is 2818394437. The reversal of 2818394399 is 9934938182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2818394399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2818394699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409197199 + 1409197200.

It is an arithmetic number, because the mean of its divisors is an integer number (1409197200).

Almost surely, 2^2818394399 is an apocalyptic number.

2818394399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818394399 is an equidigital number, since it uses as much as digits as its factorization.

2818394399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The square root of 2818394399 is about 53088.5524289371. The cubic root of 2818394399 is about 1412.5394604477.

The spelling of 2818394399 in words is "two billion, eight hundred eighteen million, three hundred ninety-four thousand, three hundred ninety-nine".