2017994399 has 2 divisors, whose sum is σ = 2017994400. Its totient is φ = 2017994398.

The previous prime is 2017994387. The next prime is 2017994411. The reversal of 2017994399 is 9934997102.

It is a balanced prime because it is at equal distance from previous prime (2017994387) and next prime (2017994411).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2017994399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2017994399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017994339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008997199 + 1008997200.

It is an arithmetic number, because the mean of its divisors is an integer number (1008997200).

Almost surely, 2^2017994399 is an apocalyptic number.

2017994399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017994399 is an equidigital number, since it uses as much as digits as its factorization.

2017994399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 2017994399 is about 44922.0925492124. The cubic root of 2017994399 is about 1263.6883609805.

The spelling of 2017994399 in words is "two billion, seventeen million, nine hundred ninety-four thousand, three hundred ninety-nine".