497861695368 has 48 divisors (see below), whose sum is σ = 1348469020080. Its totient is φ = 165942379104.

The previous prime is 497861695361. The next prime is 497861695369. The reversal of 497861695368 is 863596168794.

497861695368 is a `hidden beast` number, since 4 + 9 + 7 + 86 + 1 + 6 + 9 + 536 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 497861695296 and 497861695305.

It is not an unprimeable number, because it can be changed into a prime (497861695361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837871 + ... + 1302977.

It is an arithmetic number, because the mean of its divisors is an integer number (28093104585).

Almost surely, 2^497861695368 is an apocalyptic number.

It is an amenable number.

497861695368 is an abundant number, since it is smaller than the sum of its proper divisors (850607324712).

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

497861695368 is a wasteful number, since it uses less digits than its factorization.

497861695368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479986 (or 479979 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 497861695368 in words is "four hundred ninety-seven billion, eight hundred sixty-one million, six hundred ninety-five thousand, three hundred sixty-eight".