499647417570 has 256 divisors, whose sum is σ = 1534740480000. Its totient is φ = 113307828480.

The previous prime is 499647417551. The next prime is 499647417601. The reversal of 499647417570 is 75714746994.

499647417570 is a `hidden beast` number, since 4 + 9 + 9 + 6 + 47 + 4 + 17 + 570 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499647417498 and 499647417507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170701447 + ... + 170704373.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080000).

Almost surely, 2^499647417570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499647417570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767370240000).

499647417570 is an abundant number, since it is smaller than the sum of its proper divisors (1035093062430).

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

499647417570 is a wasteful number, since it uses less digits than its factorization.

499647417570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 499647417570 in words is "four hundred ninety-nine billion, six hundred forty-seven million, four hundred seventeen thousand, five hundred seventy".