9213975547 has 8 divisors (see below), whose sum is σ = 10628672256. Its totient is φ = 7823882472.

The previous prime is 9213975523. The next prime is 9213975553. The reversal of 9213975547 is 7455793129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9213975547 - 2¹¹ = 9213973499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9213975494 and 9213975503.

It is not an unprimeable number, because it can be changed into a prime (9213975557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6150103 + ... + 6151600.

It is an arithmetic number, because the mean of its divisors is an integer number (1328584032).

Almost surely, 2^9213975547 is an apocalyptic number.

9213975547 is a deficient number, since it is larger than the sum of its proper divisors (1414696709).

9213975547 is a wasteful number, since it uses less digits than its factorization.

9213975547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301817.

The product of its digits is 2381400, while the sum is 52.

The square root of 9213975547 is about 95989.4553948505. The cubic root of 9213975547 is about 2096.4395865387.

The spelling of 9213975547 in words is "nine billion, two hundred thirteen million, nine hundred seventy-five thousand, five hundred forty-seven".