497091606864 has 40 divisors (see below), whose sum is σ = 1296154764000. Its totient is φ = 164148628608.

The previous prime is 497091606833. The next prime is 497091606871. The reversal of 497091606864 is 468606190794.

It is a super-2 number, since 2×497091606864² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 497091606798 and 497091606807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48387739 + ... + 48398010.

It is an arithmetic number, because the mean of its divisors is an integer number (32403869100).

Almost surely, 2^497091606864 is an apocalyptic number.

It is an amenable number.

497091606864 is an abundant number, since it is smaller than the sum of its proper divisors (799063157136).

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

497091606864 is a wasteful number, since it uses less digits than its factorization.

497091606864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96785867 (or 96785861 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 497091606864 in words is "four hundred ninety-seven billion, ninety-one million, six hundred six thousand, eight hundred sixty-four".