1355329693 has 2 divisors, whose sum is σ = 1355329694. Its totient is φ = 1355329692.

The previous prime is 1355329681. The next prime is 1355329711. The reversal of 1355329693 is 3969235531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892993689 + 462336004 = 29883^2 + 21502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355329693 - 2¹³ = 1355321501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355329093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677664846 + 677664847.

It is an arithmetic number, because the mean of its divisors is an integer number (677664847).

Almost surely, 2^1355329693 is an apocalyptic number.

It is an amenable number.

1355329693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355329693 is an equidigital number, since it uses as much as digits as its factorization.

1355329693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 656100, while the sum is 46.

The square root of 1355329693 is about 36814.8026342666. The cubic root of 1355329693 is about 1106.6619662286.

The spelling of 1355329693 in words is "one billion, three hundred fifty-five million, three hundred twenty-nine thousand, six hundred ninety-three".