1489542911 has 2 divisors, whose sum is σ = 1489542912. Its totient is φ = 1489542910.

The previous prime is 1489542889. The next prime is 1489542917. The reversal of 1489542911 is 1192459841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489542911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489542917) 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, 744771455 + 744771456.

It is an arithmetic number, because the mean of its divisors is an integer number (744771456).

Almost surely, 2^1489542911 is an apocalyptic number.

1489542911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489542911 is an equidigital number, since it uses as much as digits as its factorization.

1489542911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 44.

The square root of 1489542911 is about 38594.5969145941. The cubic root of 1489542911 is about 1142.0479528449.

The spelling of 1489542911 in words is "one billion, four hundred eighty-nine million, five hundred forty-two thousand, nine hundred eleven".