472560501989 has 4 divisors (see below), whose sum is σ = 472638889260. Its totient is φ = 472482114720.

The previous prime is 472560501953. The next prime is 472560502003. The reversal of 472560501989 is 989105065274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221342020900 + 251218481089 = 470470^2 + 501217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472560501989 is a prime.

It is a super-2 number, since 2×472560501989² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472560591989) 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, 39184592 + ... + 39196649.

It is an arithmetic number, because the mean of its divisors is an integer number (118159722315).

Almost surely, 2^472560501989 is an apocalyptic number.

It is an amenable number.

472560501989 is a deficient number, since it is larger than the sum of its proper divisors (78387271).

472560501989 is an equidigital number, since it uses as much as digits as its factorization.

472560501989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78387270.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 472560501989 in words is "four hundred seventy-two billion, five hundred sixty million, five hundred one thousand, nine hundred eighty-nine".