497895350689 has 27 divisors (see below), whose sum is σ = 572307642739. Its totient is φ = 432797243120.

The previous prime is 497895350621. The next prime is 497895350767. The reversal of 497895350689 is 986053598794.

The square root of 497895350689 is 705617.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 312909340689 + 184986010000 = 559383^2 + 430100^2 .

It is not a de Polignac number, because 497895350689 - 2²⁹ = 497358479777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497895350609) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 178519707 + ... + 178522495.

Almost surely, 2^497895350689 is an apocalyptic number.

497895350689 is the 705617-th square number.

497895350689 is the 352809-th centered octagonal number.

It is an amenable number.

497895350689 is a deficient number, since it is larger than the sum of its proper divisors (74412292050).

497895350689 is an frugal number, since it uses more digits than its factorization.

497895350689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 497895350689 in words is "four hundred ninety-seven billion, eight hundred ninety-five million, three hundred fifty thousand, six hundred eighty-nine".