2163470999 has 2 divisors, whose sum is σ = 2163471000. Its totient is φ = 2163470998.

The previous prime is 2163470977. The next prime is 2163471031. The reversal of 2163470999 is 9990743612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163470999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163479999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081735499 + 1081735500.

It is an arithmetic number, because the mean of its divisors is an integer number (1081735500).

Almost surely, 2^2163470999 is an apocalyptic number.

2163470999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163470999 is an equidigital number, since it uses as much as digits as its factorization.

2163470999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 2163470999 is about 46513.1271685747. The cubic root of 2163470999 is about 1293.3528546330.

The spelling of 2163470999 in words is "two billion, one hundred sixty-three million, four hundred seventy thousand, nine hundred ninety-nine".