9131744245 has 32 divisors (see below), whose sum is σ = 12328694784. Its totient is φ = 6447168000.

The previous prime is 9131744239. The next prime is 9131744267. The reversal of 9131744245 is 5424471319.

9131744245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9131744245 - 2⁵ = 9131744213 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9131744198 and 9131744207.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 139945 + ... + 194545.

It is an arithmetic number, because the mean of its divisors is an integer number (385271712).

Almost surely, 2^9131744245 is an apocalyptic number.

It is an amenable number.

9131744245 is a deficient number, since it is larger than the sum of its proper divisors (3196950539).

9131744245 is a wasteful number, since it uses less digits than its factorization.

9131744245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54733.

The product of its digits is 120960, while the sum is 40.

The square root of 9131744245 is about 95560.1603441518. The cubic root of 9131744245 is about 2090.1842930977.

The spelling of 9131744245 in words is "nine billion, one hundred thirty-one million, seven hundred forty-four thousand, two hundred forty-five".