497471005644 has 48 divisors (see below), whose sum is σ = 1232341231968. Its totient is φ = 155650894848.

The previous prime is 497471005643. The next prime is 497471005687. The reversal of 497471005644 is 446500174794.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (497471005643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3192787 + ... + 3344970.

It is an arithmetic number, because the mean of its divisors is an integer number (25673775666).

Almost surely, 2^497471005644 is an apocalyptic number.

It is an amenable number.

497471005644 is an abundant number, since it is smaller than the sum of its proper divisors (734870226324).

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

497471005644 is a wasteful number, since it uses less digits than its factorization.

497471005644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538154 (or 6538152 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 497471005644 in words is "four hundred ninety-seven billion, four hundred seventy-one million, five thousand, six hundred forty-four".