1364665073 has 2 divisors, whose sum is σ = 1364665074. Its totient is φ = 1364665072.

The previous prime is 1364665037. The next prime is 1364665087. The reversal of 1364665073 is 3705664631.

Together with previous prime (1364665037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128489649 + 236175424 = 33593^2 + 15368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364665073 - 2¹⁸ = 1364402929 is a prime.

It is a super-2 number, since 2×1364665073² = 3724621522932190658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1364665073.

It is not a weakly prime, because it can be changed into another prime (1364665573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682332536 + 682332537.

It is an arithmetic number, because the mean of its divisors is an integer number (682332537).

Almost surely, 2^1364665073 is an apocalyptic number.

It is an amenable number.

1364665073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364665073 is an equidigital number, since it uses as much as digits as its factorization.

1364665073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 1364665073 is about 36941.3734584950. The cubic root of 1364665073 is about 1109.1970149565.

The spelling of 1364665073 in words is "one billion, three hundred sixty-four million, six hundred sixty-five thousand, seventy-three".