1485871729 has 2 divisors, whose sum is σ = 1485871730. Its totient is φ = 1485871728.

The previous prime is 1485871721. The next prime is 1485871769. The reversal of 1485871729 is 9271785841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249481104 + 236390625 = 35348^2 + 15375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485871729 - 2³ = 1485871721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485871721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742935864 + 742935865.

It is an arithmetic number, because the mean of its divisors is an integer number (742935865).

Almost surely, 2^1485871729 is an apocalyptic number.

It is an amenable number.

1485871729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485871729 is an equidigital number, since it uses as much as digits as its factorization.

1485871729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 52.

The square root of 1485871729 is about 38547.0067450120. The cubic root of 1485871729 is about 1141.1089365765.

The spelling of 1485871729 in words is "one billion, four hundred eighty-five million, eight hundred seventy-one thousand, seven hundred twenty-nine".