1485417289 has 2 divisors, whose sum is σ = 1485417290. Its totient is φ = 1485417288.

The previous prime is 1485417287. The next prime is 1485417317. The reversal of 1485417289 is 9827145841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1432244025 + 53173264 = 37845^2 + 7292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485417289 - 2¹ = 1485417287 is a prime.

Together with 1485417287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1485417287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742708644 + 742708645.

It is an arithmetic number, because the mean of its divisors is an integer number (742708645).

Almost surely, 2^1485417289 is an apocalyptic number.

It is an amenable number.

1485417289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485417289 is an equidigital number, since it uses as much as digits as its factorization.

1485417289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The square root of 1485417289 is about 38541.1116731212. Note that the first 3 decimals coincide. The cubic root of 1485417289 is about 1140.9925922088.

The spelling of 1485417289 in words is "one billion, four hundred eighty-five million, four hundred seventeen thousand, two hundred eighty-nine".