972471094209 has 6 divisors (see below), whose sum is σ = 1404680469426. Its totient is φ = 648314062800.

The previous prime is 972471094201. The next prime is 972471094253. The reversal of 972471094209 is 902490174279.

972471094209 is a `hidden beast` number, since 9 + 72 + 47 + 109 + 420 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 872253263025 + 100217831184 = 933945^2 + 316572^2 .

It is not a de Polignac number, because 972471094209 - 2³ = 972471094201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (972471094201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54026171892 + ... + 54026171909.

It is an arithmetic number, because the mean of its divisors is an integer number (234113411571).

Almost surely, 2^972471094209 is an apocalyptic number.

It is an amenable number.

972471094209 is a deficient number, since it is larger than the sum of its proper divisors (432209375217).

972471094209 is a wasteful number, since it uses less digits than its factorization.

972471094209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108052343807 (or 108052343804 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 972471094209 in words is "nine hundred seventy-two billion, four hundred seventy-one million, ninety-four thousand, two hundred nine".