1335669613 has 2 divisors, whose sum is σ = 1335669614. Its totient is φ = 1335669612.

The previous prime is 1335669607. The next prime is 1335669631. The reversal of 1335669613 is 3169665331.

1335669613 = 25842² + 25843².

Together with next prime (1335669631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667860649 + 667808964 = 25843^2 + 25842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335669613 - 2¹³ = 1335661421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1335669613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335669113) 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, 667834806 + 667834807.

It is an arithmetic number, because the mean of its divisors is an integer number (667834807).

Almost surely, 2^1335669613 is an apocalyptic number.

1335669613 is the 25843-rd centered square number.

It is an amenable number.

1335669613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335669613 is an equidigital number, since it uses as much as digits as its factorization.

1335669613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 1335669613 is about 36546.8139924673. The cubic root of 1335669613 is about 1101.2848933171.

The spelling of 1335669613 in words is "one billion, three hundred thirty-five million, six hundred sixty-nine thousand, six hundred thirteen".