913666073 has 2 divisors, whose sum is σ = 913666074. Its totient is φ = 913666072.

The previous prime is 913666051. The next prime is 913666121. The reversal of 913666073 is 370666319.

913666073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514745344 + 398920729 = 22688^2 + 19973^2 .

It is an emirp because it is prime and its reverse (370666319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913666073 - 2¹⁴ = 913649689 is a prime.

It is a super-3 number, since 3×913666073³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 913666073.

It is not a weakly prime, because it can be changed into another prime (913662073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456833036 + 456833037.

It is an arithmetic number, because the mean of its divisors is an integer number (456833037).

Almost surely, 2^913666073 is an apocalyptic number.

It is an amenable number.

913666073 is a deficient number, since it is larger than the sum of its proper divisors (1).

913666073 is an equidigital number, since it uses as much as digits as its factorization.

913666073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 913666073 is about 30226.9097494269. The cubic root of 913666073 is about 970.3516891743.

The spelling of 913666073 in words is "nine hundred thirteen million, six hundred sixty-six thousand, seventy-three".