497847639612 has 96 divisors (see below), whose sum is σ = 1262296062720. Its totient is φ = 152199613440.

The previous prime is 497847639599. The next prime is 497847639613. The reversal of 497847639612 is 216936748794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497847639613) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 883162 + ... + 1332542.

It is an arithmetic number, because the mean of its divisors is an integer number (13148917320).

Almost surely, 2^497847639612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497847639612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631148031360).

497847639612 is an abundant number, since it is smaller than the sum of its proper divisors (764448423108).

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

497847639612 is a wasteful number, since it uses less digits than its factorization.

497847639612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449563 (or 449561 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 497847639612 in words is "four hundred ninety-seven billion, eight hundred forty-seven million, six hundred thirty-nine thousand, six hundred twelve".