945593813 has 8 divisors (see below), whose sum is σ = 955180800. Its totient is φ = 936055008.

The previous prime is 945593801. The next prime is 945593819. The reversal of 945593813 is 318395549.

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

It is a cyclic number.

It is not a de Polignac number, because 945593813 - 2⁴ = 945593797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945593819) by changing a digit.

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, 28073 + ... + 51761.

It is an arithmetic number, because the mean of its divisors is an integer number (119397600).

Almost surely, 2^945593813 is an apocalyptic number.

It is an amenable number.

945593813 is a deficient number, since it is larger than the sum of its proper divisors (9586987).

945593813 is a wasteful number, since it uses less digits than its factorization.

945593813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24091.

The product of its digits is 583200, while the sum is 47.

The square root of 945593813 is about 30750.5091502564. The cubic root of 945593813 is about 981.5253951719.

The spelling of 945593813 in words is "nine hundred forty-five million, five hundred ninety-three thousand, eight hundred thirteen".