1327489783 has 2 divisors, whose sum is σ = 1327489784. Its totient is φ = 1327489782.

The previous prime is 1327489721. The next prime is 1327489789. The reversal of 1327489783 is 3879847231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327489783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1327489783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327489789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663744891 + 663744892.

It is an arithmetic number, because the mean of its divisors is an integer number (663744892).

Almost surely, 2^1327489783 is an apocalyptic number.

1327489783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327489783 is an equidigital number, since it uses as much as digits as its factorization.

1327489783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 1327489783 is about 36434.7331951258. The cubic root of 1327489783 is about 1099.0321467396.

The spelling of 1327489783 in words is "one billion, three hundred twenty-seven million, four hundred eighty-nine thousand, seven hundred eighty-three".