471646645845 has 16 divisors (see below), whose sum is σ = 754648365312. Its totient is φ = 251540300480.

The previous prime is 471646645829. The next prime is 471646645849. The reversal of 471646645845 is 548546646174.

It is not a de Polignac number, because 471646645845 - 2⁴ = 471646645829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471646645849) 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, 668455 + ... + 1179035.

It is an arithmetic number, because the mean of its divisors is an integer number (47165522832).

Almost surely, 2^471646645845 is an apocalyptic number.

It is an amenable number.

471646645845 is a deficient number, since it is larger than the sum of its proper divisors (283001719467).

471646645845 is a wasteful number, since it uses less digits than its factorization.

471646645845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572172.

The product of its digits is 77414400, while the sum is 60.

The spelling of 471646645845 in words is "four hundred seventy-one billion, six hundred forty-six million, six hundred forty-five thousand, eight hundred forty-five".