485322989 has 2 divisors, whose sum is σ = 485322990. Its totient is φ = 485322988.

The previous prime is 485322979. The next prime is 485323001. The reversal of 485322989 is 989223584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352312900 + 133010089 = 18770^2 + 11533^2 .

It is a cyclic number.

It is not a de Polignac number, because 485322989 - 2¹² = 485318893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485322979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242661494 + 242661495.

It is an arithmetic number, because the mean of its divisors is an integer number (242661495).

Almost surely, 2^485322989 is an apocalyptic number.

It is an amenable number.

485322989 is a deficient number, since it is larger than the sum of its proper divisors (1).

485322989 is an equidigital number, since it uses as much as digits as its factorization.

485322989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 485322989 is about 22030.0474125681. The cubic root of 485322989 is about 785.8571723246.

The spelling of 485322989 in words is "four hundred eighty-five million, three hundred twenty-two thousand, nine hundred eighty-nine".