475389541989 has 12 divisors (see below), whose sum is σ = 689409538272. Its totient is φ = 315663705000.

The previous prime is 475389541967. The next prime is 475389541993. The reversal of 475389541989 is 989145983574.

475389541989 is a `hidden beast` number, since 4 + 7 + 5 + 389 + 54 + 198 + 9 = 666.

It is not a de Polignac number, because 475389541989 - 2¹¹ = 475389539941 is a prime.

It is a super-2 number, since 2×475389541989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475389541909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105218977 + ... + 105223494.

It is an arithmetic number, because the mean of its divisors is an integer number (57450794856).

Almost surely, 2^475389541989 is an apocalyptic number.

It is an amenable number.

475389541989 is a deficient number, since it is larger than the sum of its proper divisors (214019996283).

475389541989 is a wasteful number, since it uses less digits than its factorization.

475389541989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210442728 (or 210442725 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 72.

The spelling of 475389541989 in words is "four hundred seventy-five billion, three hundred eighty-nine million, five hundred forty-one thousand, nine hundred eighty-nine".