459949999 has 8 divisors (see below), whose sum is σ = 466894368. Its totient is φ = 453018720.

The previous prime is 459949981. The next prime is 459950033. The reversal of 459949999 is 999949954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 459949999 - 2¹⁷ = 459818927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459949949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85209 + ... + 90445.

It is an arithmetic number, because the mean of its divisors is an integer number (58361796).

Almost surely, 2^459949999 is an apocalyptic number.

459949999 is a deficient number, since it is larger than the sum of its proper divisors (6944369).

459949999 is a wasteful number, since it uses less digits than its factorization.

459949999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545.

The product of its digits is 42515280, while the sum is 67.

The square root of 459949999 is about 21446.4449035266. Note that the first 3 decimals coincide. The cubic root of 459949999 is about 771.9162923683.

The spelling of 459949999 in words is "four hundred fifty-nine million, nine hundred forty-nine thousand, nine hundred ninety-nine".