499915505 has 8 divisors (see below), whose sum is σ = 603367272. Its totient is φ = 397619968.

The previous prime is 499915489. The next prime is 499915523. The reversal of 499915505 is 505519994.

It can be written as a sum of positive squares in 4 ways, for example, as 62980096 + 436935409 = 7936^2 + 20903^2 .

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 499915505 - 2⁴ = 499915489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499915505.

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, 288104 + ... + 289833.

It is an arithmetic number, because the mean of its divisors is an integer number (75420909).

Almost surely, 2^499915505 is an apocalyptic number.

It is an amenable number.

499915505 is a deficient number, since it is larger than the sum of its proper divisors (103451767).

499915505 is a wasteful number, since it uses less digits than its factorization.

499915505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578115.

The product of its (nonzero) digits is 364500, while the sum is 47.

The square root of 499915505 is about 22358.7903295326. The cubic root of 499915505 is about 793.6558143148.

The spelling of 499915505 in words is "four hundred ninety-nine million, nine hundred fifteen thousand, five hundred five".