499659994 has 4 divisors (see below), whose sum is σ = 749489994. Its totient is φ = 249829996.

The previous prime is 499659959. The next prime is 499660001. The reversal of 499659994 is 499956994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 250430625 + 249229369 = 15825^2 + 15787^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124914997 + ... + 124915000.

Almost surely, 2^499659994 is an apocalyptic number.

499659994 is a deficient number, since it is larger than the sum of its proper divisors (249830000).

499659994 is a wasteful number, since it uses less digits than its factorization.

499659994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249829999.

The product of its digits is 28343520, while the sum is 64.

The square root of 499659994 is about 22353.0757167778. The cubic root of 499659994 is about 793.5205765613.

The spelling of 499659994 in words is "four hundred ninety-nine million, six hundred fifty-nine thousand, nine hundred ninety-four".