497701669761 has 12 divisors (see below), whose sum is σ = 719177150692. Its totient is φ = 331674310656.

The previous prime is 497701669757. The next prime is 497701669769. The reversal of 497701669761 is 167966107794.

497701669761 is a `hidden beast` number, since 497 + 7 + 0 + 16 + 69 + 76 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 492972494400 + 4729175361 = 702120^2 + 68769^2 .

It is not a de Polignac number, because 497701669761 - 2² = 497701669757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497701669769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10542016 + ... + 10589121.

Almost surely, 2^497701669761 is an apocalyptic number.

It is an amenable number.

497701669761 is a deficient number, since it is larger than the sum of its proper divisors (221475480931).

497701669761 is a wasteful number, since it uses less digits than its factorization.

497701669761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21133760 (or 21133757 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 497701669761 in words is "four hundred ninety-seven billion, seven hundred one million, six hundred sixty-nine thousand, seven hundred sixty-one".