1204323641959 has 2 divisors, whose sum is σ = 1204323641960. Its totient is φ = 1204323641958.

The previous prime is 1204323641923. The next prime is 1204323642101. The reversal of 1204323641959 is 9591463234021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9591463234021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204323641959 - 2¹⁹ = 1204323117671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204323641359) 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, 602161820979 + 602161820980.

It is an arithmetic number, because the mean of its divisors is an integer number (602161820980).

Almost surely, 2^{1204323641959} is an apocalyptic number.

1204323641959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204323641959 is an equidigital number, since it uses as much as digits as its factorization.

1204323641959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 1204323641959 in words is "one trillion, two hundred four billion, three hundred twenty-three million, six hundred forty-one thousand, nine hundred fifty-nine".