1320444003469 has 2 divisors, whose sum is σ = 1320444003470. Its totient is φ = 1320444003468.

The previous prime is 1320444003391. The next prime is 1320444003499. The reversal of 1320444003469 is 9643004440231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892514772900 + 427929230569 = 944730^2 + 654163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320444003469 is a prime.

It is a super-2 number, since 2×1320444003469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320444003499) 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, 660222001734 + 660222001735.

It is an arithmetic number, because the mean of its divisors is an integer number (660222001735).

Almost surely, 2^{1320444003469} is an apocalyptic number.

It is an amenable number.

1320444003469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320444003469 is an equidigital number, since it uses as much as digits as its factorization.

1320444003469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 1320444003469 in words is "one trillion, three hundred twenty billion, four hundred forty-four million, three thousand, four hundred sixty-nine".