9574138845 has 20 divisors (see below), whose sum is σ = 17162531100. Its totient is φ = 5106207168.

The previous prime is 9574138747. The next prime is 9574138867. The reversal of 9574138845 is 5488314759.

It can be written as a sum of positive squares in 2 ways, for example, as 1339120836 + 8235018009 = 36594^2 + 90747^2 .

It is not a de Polignac number, because 9574138845 - 2⁹ = 9574138333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9574138791 and 9574138800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11819520 + ... + 11820329.

It is an arithmetic number, because the mean of its divisors is an integer number (858126555).

Almost surely, 2^9574138845 is an apocalyptic number.

It is an amenable number.

9574138845 is a deficient number, since it is larger than the sum of its proper divisors (7588392255).

9574138845 is a wasteful number, since it uses less digits than its factorization.

9574138845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639866 (or 23639857 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 9574138845 is about 97847.5285584669. The cubic root of 9574138845 is about 2123.4069791821.

The spelling of 9574138845 in words is "nine billion, five hundred seventy-four million, one hundred thirty-eight thousand, eight hundred forty-five".