913682813 has 2 divisors, whose sum is σ = 913682814. Its totient is φ = 913682812.

The previous prime is 913682807. The next prime is 913682851. The reversal of 913682813 is 318286319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 834169924 + 79512889 = 28882^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 913682813 - 2⁸ = 913682557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913682873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456841406 + 456841407.

It is an arithmetic number, because the mean of its divisors is an integer number (456841407).

Almost surely, 2^913682813 is an apocalyptic number.

It is an amenable number.

913682813 is a deficient number, since it is larger than the sum of its proper divisors (1).

913682813 is an equidigital number, since it uses as much as digits as its factorization.

913682813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 913682813 is about 30227.1866537394. The cubic root of 913682813 is about 970.3576153322.

The spelling of 913682813 in words is "nine hundred thirteen million, six hundred eighty-two thousand, eight hundred thirteen".