497635985489 has 8 divisors (see below), whose sum is σ = 504535832640. Its totient is φ = 490757667856.

The previous prime is 497635985471. The next prime is 497635985491. The reversal of 497635985489 is 984589536794.

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 497635985489 - 2²⁸ = 497367550033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497635985449) 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, 5335829 + ... + 5428290.

It is an arithmetic number, because the mean of its divisors is an integer number (63066979080).

Almost surely, 2^497635985489 is an apocalyptic number.

It is an amenable number.

497635985489 is a deficient number, since it is larger than the sum of its proper divisors (6899847151).

497635985489 is a wasteful number, since it uses less digits than its factorization.

497635985489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764759.

The product of its digits is 2351462400, while the sum is 77.

The spelling of 497635985489 in words is "four hundred ninety-seven billion, six hundred thirty-five million, nine hundred eighty-five thousand, four hundred eighty-nine".