497651819728 has 80 divisors (see below), whose sum is σ = 1122993123840. Its totient is φ = 209207052288.

The previous prime is 497651819723. The next prime is 497651819761. The reversal of 497651819728 is 827918156794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497651819723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39212808 + ... + 39225496.

It is an arithmetic number, because the mean of its divisors is an integer number (14037414048).

Almost surely, 2^497651819728 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 497651819728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561496561920).

497651819728 is an abundant number, since it is smaller than the sum of its proper divisors (625341304112).

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

497651819728 is a wasteful number, since it uses less digits than its factorization.

497651819728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19358 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 67.

The spelling of 497651819728 in words is "four hundred ninety-seven billion, six hundred fifty-one million, eight hundred nineteen thousand, seven hundred twenty-eight".