472505585489 has 4 divisors (see below), whose sum is σ = 540006383424. Its totient is φ = 405004787556.

The previous prime is 472505585483. The next prime is 472505585509. The reversal of 472505585489 is 984585505274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 472505585489 - 2¹⁶ = 472505519953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472505585483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33750398957 + ... + 33750398970.

It is an arithmetic number, because the mean of its divisors is an integer number (135001595856).

Almost surely, 2^472505585489 is an apocalyptic number.

It is an amenable number.

472505585489 is a deficient number, since it is larger than the sum of its proper divisors (67500797935).

472505585489 is an equidigital number, since it uses as much as digits as its factorization.

472505585489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67500797934.

The product of its (nonzero) digits is 80640000, while the sum is 62.

The spelling of 472505585489 in words is "four hundred seventy-two billion, five hundred five million, five hundred eighty-five thousand, four hundred eighty-nine".