497765443321 has 8 divisors (see below), whose sum is σ = 502655759424. Its totient is φ = 492876235920.

The previous prime is 497765443309. The next prime is 497765443327. The reversal of 497765443321 is 123344567794.

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 497765443321 - 2⁹ = 497765442809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497765443327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 639990 + ... + 1185376.

It is an arithmetic number, because the mean of its divisors is an integer number (62831969928).

Almost surely, 2^497765443321 is an apocalyptic number.

It is an amenable number.

497765443321 is a deficient number, since it is larger than the sum of its proper divisors (4890316103).

497765443321 is a wasteful number, since it uses less digits than its factorization.

497765443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554351.

The product of its digits is 15240960, while the sum is 55.

The spelling of 497765443321 in words is "four hundred ninety-seven billion, seven hundred sixty-five million, four hundred forty-three thousand, three hundred twenty-one".