945357813 has 6 divisors (see below), whose sum is σ = 1365516854. Its totient is φ = 630238536.

The previous prime is 945357797. The next prime is 945357827. The reversal of 945357813 is 318753549.

945357813 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 only one way, i.e., 854860644 + 90497169 = 29238^2 + 9513^2 .

It is not a de Polignac number, because 945357813 - 2⁴ = 945357797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945357883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52519870 + ... + 52519887.

Almost surely, 2^945357813 is an apocalyptic number.

It is an amenable number.

945357813 is a deficient number, since it is larger than the sum of its proper divisors (420159041).

945357813 is a wasteful number, since it uses less digits than its factorization.

945357813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105039763 (or 105039760 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 945357813 is about 30746.6715759609. The cubic root of 945357813 is about 981.4437324595.

The spelling of 945357813 in words is "nine hundred forty-five million, three hundred fifty-seven thousand, eight hundred thirteen".