497891856918150 has 72 divisors (see below), whose sum is σ = 1342642204818720. Its totient is φ = 132277588720320.

The previous prime is 497891856918097. The next prime is 497891856918163. The reversal of 497891856918150 is 51819658198794.

497891856918150 is a `hidden beast` number, since 49 + 7 + 8 + 9 + 1 + 8 + 569 + 1 + 8 + 1 + 5 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 497891856918150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2056433502 + ... + 2056675601.

It is an arithmetic number, because the mean of its divisors is an integer number (18647808400260).

Almost surely, 2^{497891856918150} is an apocalyptic number.

497891856918150 is an abundant number, since it is smaller than the sum of its proper divisors (844750347900570).

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

497891856918150 is a wasteful number, since it uses less digits than its factorization.

497891856918150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113109390 (or 4113109382 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 81.

The spelling of 497891856918150 in words is "four hundred ninety-seven trillion, eight hundred ninety-one billion, eight hundred fifty-six million, nine hundred eighteen thousand, one hundred fifty".