497191953672 has 108 divisors (see below), whose sum is σ = 1408042895805. Its totient is φ = 158481094464.

The previous prime is 497191953637. The next prime is 497191953673. The reversal of 497191953672 is 276359191794.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

497191953672 is a `hidden beast` number, since 4 + 9 + 7 + 1 + 91 + 9 + 536 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 260289754596 + 236902199076 = 510186^2 + 486726^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=498594.

It is not an unprimeable number, because it can be changed into a prime (497191953673) 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, 137610138 + ... + 137613750.

Almost surely, 2^497191953672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497191953672

497191953672 is an abundant number, since it is smaller than the sum of its proper divisors (910850942133).

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

497191953672 is an equidigital number, since it uses as much as digits as its factorization.

497191953672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 3641 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The spelling of 497191953672 in words is "four hundred ninety-seven billion, one hundred ninety-one million, nine hundred fifty-three thousand, six hundred seventy-two".