9475475228861 has 4 divisors (see below), whose sum is σ = 9475680847932. Its totient is φ = 9475269609792.

The previous prime is 9475475228839. The next prime is 9475475228911. The reversal of 9475475228861 is 1688225745749.

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 7010791884100 + 2464683344761 = 2647790^2 + 1569931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9475475228861 - 2³⁸ = 9200597321917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9475475228791 and 9475475228800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9475475228561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102740396 + ... + 102832581.

It is an arithmetic number, because the mean of its divisors is an integer number (2368920211983).

Almost surely, 2^{9475475228861} is an apocalyptic number.

It is an amenable number.

9475475228861 is a deficient number, since it is larger than the sum of its proper divisors (205619071).

9475475228861 is a wasteful number, since it uses less digits than its factorization.

9475475228861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205619070.

The product of its digits is 270950400, while the sum is 68.

The spelling of 9475475228861 in words is "nine trillion, four hundred seventy-five billion, four hundred seventy-five million, two hundred twenty-eight thousand, eight hundred sixty-one".