1320049433 has 2 divisors, whose sum is σ = 1320049434. Its totient is φ = 1320049432.

The previous prime is 1320049397. The next prime is 1320049483. The reversal of 1320049433 is 3349400231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727273024 + 592776409 = 26968^2 + 24347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320049433 - 2⁸ = 1320049177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320049396 and 1320049405.

It is not a weakly prime, because it can be changed into another prime (1320049483) 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, 660024716 + 660024717.

It is an arithmetic number, because the mean of its divisors is an integer number (660024717).

Almost surely, 2^1320049433 is an apocalyptic number.

It is an amenable number.

1320049433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320049433 is an equidigital number, since it uses as much as digits as its factorization.

1320049433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1320049433 is about 36332.4845420734. The cubic root of 1320049433 is about 1096.9750037723.

Adding to 1320049433 its reverse (3349400231), we get a palindrome (4669449664).

The spelling of 1320049433 in words is "one billion, three hundred twenty million, forty-nine thousand, four hundred thirty-three".