1204553351329 has 2 divisors, whose sum is σ = 1204553351330. Its totient is φ = 1204553351328.

The previous prime is 1204553351303. The next prime is 1204553351429. The reversal of 1204553351329 is 9231533554021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865569729600 + 338983621729 = 930360^2 + 582223^2 .

It is an emirp because it is prime and its reverse (9231533554021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204553351329 - 2⁷ = 1204553351201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204553351129) 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, 602276675664 + 602276675665.

It is an arithmetic number, because the mean of its divisors is an integer number (602276675665).

Almost surely, 2^{1204553351329} is an apocalyptic number.

It is an amenable number.

1204553351329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204553351329 is an equidigital number, since it uses as much as digits as its factorization.

1204553351329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 1204553351329 in words is "one trillion, two hundred four billion, five hundred fifty-three million, three hundred fifty-one thousand, three hundred twenty-nine".