494989995 has 32 divisors (see below), whose sum is σ = 838080000. Its totient is φ = 248776704.

The previous prime is 494989939. The next prime is 494990011. The reversal of 494989995 is 599989494.

It is not a de Polignac number, because 494989995 - 2⁹ = 494989483 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50506 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (26190000).

Almost surely, 2^494989995 is an apocalyptic number.

494989995 is a deficient number, since it is larger than the sum of its proper divisors (343090005).

494989995 is a wasteful number, since it uses less digits than its factorization.

494989995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219.

The product of its digits is 37791360, while the sum is 66.

The square root of 494989995 is about 22248.3706144967. The cubic root of 494989995 is about 791.0406597381.

The spelling of 494989995 in words is "four hundred ninety-four million, nine hundred eighty-nine thousand, nine hundred ninety-five".