1489341811 has 2 divisors, whose sum is σ = 1489341812. Its totient is φ = 1489341810.

The previous prime is 1489341803. The next prime is 1489341829. The reversal of 1489341811 is 1181439841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1489341811 - 2³ = 1489341803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1489341211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744670905 + 744670906.

It is an arithmetic number, because the mean of its divisors is an integer number (744670906).

Almost surely, 2^1489341811 is an apocalyptic number.

1489341811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489341811 is an equidigital number, since it uses as much as digits as its factorization.

1489341811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 40.

The square root of 1489341811 is about 38591.9915396964. The cubic root of 1489341811 is about 1141.9965553819.

The spelling of 1489341811 in words is "one billion, four hundred eighty-nine million, three hundred forty-one thousand, eight hundred eleven".