9213975545 has 8 divisors (see below), whose sum is σ = 11072547720. Its totient is φ = 7360662400.

The previous prime is 9213975523. The next prime is 9213975553. The reversal of 9213975545 is 5455793129.

9213975545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4222270441 + 4991705104 = 64979^2 + 70652^2 .

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

It is not a de Polignac number, because 9213975545 - 2³⁰ = 8140233721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9213975493 and 9213975502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310900 + ... + 1317909.

It is an arithmetic number, because the mean of its divisors is an integer number (1384068465).

Almost surely, 2^9213975545 is an apocalyptic number.

It is an amenable number.

9213975545 is a deficient number, since it is larger than the sum of its proper divisors (1858572175).

9213975545 is a wasteful number, since it uses less digits than its factorization.

9213975545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629515.

The product of its digits is 1701000, while the sum is 50.

The square root of 9213975545 is about 95989.4553844327. The cubic root of 9213975545 is about 2096.4395863870.

The spelling of 9213975545 in words is "nine billion, two hundred thirteen million, nine hundred seventy-five thousand, five hundred forty-five".