1385636353 has 2 divisors, whose sum is σ = 1385636354. Its totient is φ = 1385636352.

The previous prime is 1385636341. The next prime is 1385636363. The reversal of 1385636353 is 3536365831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209091984 + 176544369 = 34772^2 + 13287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385636353 - 2¹⁷ = 1385505281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1385636363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692818176 + 692818177.

It is an arithmetic number, because the mean of its divisors is an integer number (692818177).

Almost surely, 2^1385636353 is an apocalyptic number.

It is an amenable number.

1385636353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385636353 is an equidigital number, since it uses as much as digits as its factorization.

1385636353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 43.

The square root of 1385636353 is about 37224.1366991902. The cubic root of 1385636353 is about 1114.8499608415.

The spelling of 1385636353 in words is "one billion, three hundred eighty-five million, six hundred thirty-six thousand, three hundred fifty-three".