497549681542368 has 432 divisors, whose sum is σ = 1751318759264256. Its totient is φ = 131197417528320.

The previous prime is 497549681542367. The next prime is 497549681542421. The reversal of 497549681542368 is 863245186945794.

497549681542368 is a `hidden beast` number, since 4 + 9 + 7 + 5 + 4 + 9 + 6 + 8 + 1 + 542 + 3 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497549681542367) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1863858121 + ... + 1864125047.

It is an arithmetic number, because the mean of its divisors is an integer number (4053978609408).

Almost surely, 2^{497549681542368} is an apocalyptic number.

497549681542368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497549681542368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875659379632128).

497549681542368 is an abundant number, since it is smaller than the sum of its proper divisors (1253769077721888).

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

497549681542368 is a wasteful number, since it uses less digits than its factorization.

497549681542368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272447 (or 272423 counting only the distinct ones).

The product of its digits is 12541132800, while the sum is 81.

The spelling of 497549681542368 in words is "four hundred ninety-seven trillion, five hundred forty-nine billion, six hundred eighty-one million, five hundred forty-two thousand, three hundred sixty-eight".