6005999917 has 2 divisors, whose sum is σ = 6005999918. Its totient is φ = 6005999916.

The previous prime is 6005999903. The next prime is 6005999929. The reversal of 6005999917 is 7199995006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6001445961 + 4553956 = 77469^2 + 2134^2 .

It is a cyclic number.

It is not a de Polignac number, because 6005999917 - 2¹⁹ = 6005475629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6005999977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002999958 + 3002999959.

It is an arithmetic number, because the mean of its divisors is an integer number (3002999959).

Almost surely, 2^6005999917 is an apocalyptic number.

It is an amenable number.

6005999917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005999917 is an equidigital number, since it uses as much as digits as its factorization.

6005999917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1377810, while the sum is 55.

The square root of 6005999917 is about 77498.3865444952. The cubic root of 6005999917 is about 1817.7260895329.

The spelling of 6005999917 in words is "six billion, five million, nine hundred ninety-nine thousand, nine hundred seventeen".