487744549 has 2 divisors, whose sum is σ = 487744550. Its totient is φ = 487744548.

The previous prime is 487744541. The next prime is 487744559. The reversal of 487744549 is 945447784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 458259649 + 29484900 = 21407^2 + 5430^2 .

It is a cyclic number.

It is not a de Polignac number, because 487744549 - 2³ = 487744541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487744496 and 487744505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487744541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243872274 + 243872275.

It is an arithmetic number, because the mean of its divisors is an integer number (243872275).

Almost surely, 2^487744549 is an apocalyptic number.

It is an amenable number.

487744549 is a deficient number, since it is larger than the sum of its proper divisors (1).

487744549 is an equidigital number, since it uses as much as digits as its factorization.

487744549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The square root of 487744549 is about 22084.9394158100. The cubic root of 487744549 is about 787.1620380336.

The spelling of 487744549 in words is "four hundred eighty-seven million, seven hundred forty-four thousand, five hundred forty-nine".