459918919 has 2 divisors, whose sum is σ = 459918920. Its totient is φ = 459918918.

The previous prime is 459918913. The next prime is 459918941. The reversal of 459918919 is 919819954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 459918919 - 2¹³ = 459910727 is a prime.

It is a super-2 number, since 2×459918919² = 423050824108257122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459918919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459918913) 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, 229959459 + 229959460.

It is an arithmetic number, because the mean of its divisors is an integer number (229959460).

Almost surely, 2^459918919 is an apocalyptic number.

459918919 is a deficient number, since it is larger than the sum of its proper divisors (1).

459918919 is an equidigital number, since it uses as much as digits as its factorization.

459918919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 55.

The square root of 459918919 is about 21445.7202956674. The cubic root of 459918919 is about 771.8989051894.

The spelling of 459918919 in words is "four hundred fifty-nine million, nine hundred eighteen thousand, nine hundred nineteen".