1320098393 has 2 divisors, whose sum is σ = 1320098394. Its totient is φ = 1320098392.

The previous prime is 1320098371. The next prime is 1320098407. The reversal of 1320098393 is 3938900231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1107025984 + 213072409 = 33272^2 + 14597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320098393 - 2¹⁰ = 1320097369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320098293) 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, 660049196 + 660049197.

It is an arithmetic number, because the mean of its divisors is an integer number (660049197).

Almost surely, 2^1320098393 is an apocalyptic number.

It is an amenable number.

1320098393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320098393 is an equidigital number, since it uses as much as digits as its factorization.

1320098393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1320098393 is about 36333.1583130341. The cubic root of 1320098393 is about 1096.9885656968.

The spelling of 1320098393 in words is "one billion, three hundred twenty million, ninety-eight thousand, three hundred ninety-three".