497706008321 has 8 divisors (see below), whose sum is σ = 514876351080. Its totient is φ = 480536203392.

The previous prime is 497706008299. The next prime is 497706008329. The reversal of 497706008321 is 123800607794.

It can be written as a sum of positive squares in 4 ways, for example, as 170337798400 + 327368209921 = 412720^2 + 572161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497706008321 - 2⁶ = 497706008257 is a prime.

It is a super-2 number, since 2×497706008321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497706008329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2940431 + ... + 3105083.

It is an arithmetic number, because the mean of its divisors is an integer number (64359543885).

Almost surely, 2^497706008321 is an apocalyptic number.

It is an amenable number.

497706008321 is a deficient number, since it is larger than the sum of its proper divisors (17170342759).

497706008321 is a wasteful number, since it uses less digits than its factorization.

497706008321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268915.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 497706008321 in words is "four hundred ninety-seven billion, seven hundred six million, eight thousand, three hundred twenty-one".