1481553589 has 2 divisors, whose sum is σ = 1481553590. Its totient is φ = 1481553588.

The previous prime is 1481553551. The next prime is 1481553617. The reversal of 1481553589 is 9853551841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013912964 + 467640625 = 31842^2 + 21625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481553589 - 2⁷ = 1481553461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481553529) 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, 740776794 + 740776795.

It is an arithmetic number, because the mean of its divisors is an integer number (740776795).

Almost surely, 2^1481553589 is an apocalyptic number.

It is an amenable number.

1481553589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481553589 is an equidigital number, since it uses as much as digits as its factorization.

1481553589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 49.

The square root of 1481553589 is about 38490.9546387200. The cubic root of 1481553589 is about 1140.0024594694.

The spelling of 1481553589 in words is "one billion, four hundred eighty-one million, five hundred fifty-three thousand, five hundred eighty-nine".