1361250353329 has 2 divisors, whose sum is σ = 1361250353330. Its totient is φ = 1361250353328.

The previous prime is 1361250353321. The next prime is 1361250353339. The reversal of 1361250353329 is 9233530521631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686843137600 + 674407215729 = 828760^2 + 821223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361250353329 - 2³ = 1361250353321 is a prime.

It is a super-3 number, since 3×1361250353329³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1361250353321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680625176664 + 680625176665.

It is an arithmetic number, because the mean of its divisors is an integer number (680625176665).

Almost surely, 2^{1361250353329} is an apocalyptic number.

It is an amenable number.

1361250353329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361250353329 is an equidigital number, since it uses as much as digits as its factorization.

1361250353329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 43.

The spelling of 1361250353329 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, three hundred fifty-three thousand, three hundred twenty-nine".