497281704642 has 54 divisors (see below), whose sum is σ = 1082818237683. Its totient is φ = 164937813864.

The previous prime is 497281704629. The next prime is 497281704737. The reversal of 497281704642 is 246407182794.

497281704642 is a `hidden beast` number, since 4 + 9 + 7 + 2 + 8 + 170 + 464 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 248640852321 + 248640852321 = 498639^2 + 498639^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=498639.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1038166159 + ... + 1038166637.

Almost surely, 2^497281704642 is an apocalyptic number.

497281704642 is an abundant number, since it is smaller than the sum of its proper divisors (585536533041).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497281704642 is an frugal number, since it uses more digits than its factorization.

497281704642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 497281704642 in words is "four hundred ninety-seven billion, two hundred eighty-one million, seven hundred four thousand, six hundred forty-two".