499212902500 has 135 divisors (see below), whose sum is σ = 1183202204877. Its totient is φ = 184155192000.

The previous prime is 499212902483. The next prime is 499212902611. The reversal of 499212902500 is 5209212994.

The square root of 499212902500 is 706550.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 493087648804 + 6125253696 = 702202^2 + 78264^2 .

It is a Duffinian number.

It is an unprimeable number.

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 in 44 ways as a sum of consecutive naturals, for example, 459256957 + ... + 459258043.

Almost surely, 2^499212902500 is an apocalyptic number.

499212902500 is the 706550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499212902500

499212902500 is an abundant number, since it is smaller than the sum of its proper divisors (683989302377).

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

499212902500 is an equidigital number, since it uses as much as digits as its factorization.

499212902500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 499212902500 in words is "four hundred ninety-nine billion, two hundred twelve million, nine hundred two thousand, five hundred".