499559309000 has 32 divisors (see below), whose sum is σ = 1168968785400. Its totient is φ = 199823723200.

The previous prime is 499559308999. The next prime is 499559309089. The reversal of 499559309000 is 903955994.

It can be written as a sum of positive squares in 4 ways, for example, as 86719648324 + 412839660676 = 294482^2 + 642526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249778655 + ... + 249780654.

Almost surely, 2^499559309000 is an apocalyptic number.

499559309000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499559309000 is an abundant number, since it is smaller than the sum of its proper divisors (669409476400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499559309000 is a wasteful number, since it uses less digits than its factorization.

499559309000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499559330 (or 499559316 counting only the distinct ones).

The product of its (nonzero) digits is 1968300, while the sum is 53.

The spelling of 499559309000 in words is "four hundred ninety-nine billion, five hundred fifty-nine million, three hundred nine thousand".