1408668017 has 2 divisors, whose sum is σ = 1408668018. Its totient is φ = 1408668016.

The previous prime is 1408668007. The next prime is 1408668043. The reversal of 1408668017 is 7108668041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991242256 + 417425761 = 31484^2 + 20431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408668017 - 2¹⁴ = 1408651633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1408668007) 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, 704334008 + 704334009.

It is an arithmetic number, because the mean of its divisors is an integer number (704334009).

Almost surely, 2^1408668017 is an apocalyptic number.

It is an amenable number.

1408668017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408668017 is an equidigital number, since it uses as much as digits as its factorization.

1408668017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1408668017 is about 37532.2263794729. The cubic root of 1408668017 is about 1120.9929589632.

The spelling of 1408668017 in words is "one billion, four hundred eight million, six hundred sixty-eight thousand, seventeen".