485021749 has 2 divisors, whose sum is σ = 485021750. Its totient is φ = 485021748.

The previous prime is 485021743. The next prime is 485021791. The reversal of 485021749 is 947120584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444788100 + 40233649 = 21090^2 + 6343^2 .

It is a cyclic number.

It is not a de Polignac number, because 485021749 - 2³ = 485021741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485021741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242510874 + 242510875.

It is an arithmetic number, because the mean of its divisors is an integer number (242510875).

Almost surely, 2^485021749 is an apocalyptic number.

It is an amenable number.

485021749 is a deficient number, since it is larger than the sum of its proper divisors (1).

485021749 is an equidigital number, since it uses as much as digits as its factorization.

485021749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 485021749 is about 22023.2093256183. The cubic root of 485021749 is about 785.6945448122.

The spelling of 485021749 in words is "four hundred eighty-five million, twenty-one thousand, seven hundred forty-nine".