1361693339 has 2 divisors, whose sum is σ = 1361693340. Its totient is φ = 1361693338.

The previous prime is 1361693329. The next prime is 1361693393. The reversal of 1361693339 is 9333961631.

Together with next prime (1361693393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361693339 - 2¹² = 1361689243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361693339.

It is not a weakly prime, because it can be changed into another prime (1361693329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680846669 + 680846670.

It is an arithmetic number, because the mean of its divisors is an integer number (680846670).

Almost surely, 2^1361693339 is an apocalyptic number.

1361693339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361693339 is an equidigital number, since it uses as much as digits as its factorization.

1361693339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 236196, while the sum is 44.

The square root of 1361693339 is about 36901.1292374637. The cubic root of 1361693339 is about 1108.3912900190.

The spelling of 1361693339 in words is "one billion, three hundred sixty-one million, six hundred ninety-three thousand, three hundred thirty-nine".