913133817 has 40 divisors (see below), whose sum is σ = 1417834440. Its totient is φ = 584962560.

The previous prime is 913133807. The next prime is 913133843. The reversal of 913133817 is 718331319.

It can be written as a sum of positive squares in 4 ways, for example, as 291180096 + 621953721 = 17064^2 + 24939^2 .

It is not a de Polignac number, because 913133817 - 2¹⁶ = 913068281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913133807) 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 39 ways as a sum of consecutive naturals, for example, 565303 + ... + 566915.

It is an arithmetic number, because the mean of its divisors is an integer number (35445861).

Almost surely, 2^913133817 is an apocalyptic number.

It is an amenable number.

913133817 is a deficient number, since it is larger than the sum of its proper divisors (504700623).

913133817 is a wasteful number, since it uses less digits than its factorization.

913133817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1886 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 913133817 is about 30218.1041265001. The cubic root of 913133817 is about 970.1632265082.

The spelling of 913133817 in words is "nine hundred thirteen million, one hundred thirty-three thousand, eight hundred seventeen".