497213892050 has 18 divisors (see below), whose sum is σ = 924827113359. Its totient is φ = 198883562400.

The previous prime is 497213892037. The next prime is 497213892073. The reversal of 497213892050 is 50298312794.

It can be written as a sum of positive squares in 5 ways, for example, as 130742265889 + 366471626161 = 361583^2 + 605369^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=498605.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497213892050.

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 8 ways as a sum of consecutive naturals, for example, 4936190 + ... + 5035910.

Almost surely, 2^497213892050 is an apocalyptic number.

497213892050 is a deficient number, since it is larger than the sum of its proper divisors (427613221309).

497213892050 is an frugal number, since it uses more digits than its factorization.

497213892050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199454 (or 99728 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

Multiplying 497213892050 by its sum of digits (50), we get a square (24860694602500 = 4986050²).

497213892050 divided by its sum of digits (50) gives a square (9944277841 = 99721²).

The spelling of 497213892050 in words is "four hundred ninety-seven billion, two hundred thirteen million, eight hundred ninety-two thousand, fifty".