487850449 has 2 divisors, whose sum is σ = 487850450. Its totient is φ = 487850448.

The previous prime is 487850413. The next prime is 487850453. The reversal of 487850449 is 944058784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478209424 + 9641025 = 21868^2 + 3105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487850449 is a prime.

It is not a weakly prime, because it can be changed into another prime (487850549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243925224 + 243925225.

It is an arithmetic number, because the mean of its divisors is an integer number (243925225).

Almost surely, 2^487850449 is an apocalyptic number.

It is an amenable number.

487850449 is a deficient number, since it is larger than the sum of its proper divisors (1).

487850449 is an equidigital number, since it uses as much as digits as its factorization.

487850449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 487850449 is about 22087.3368471620. The cubic root of 487850449 is about 787.2190039376.

The spelling of 487850449 in words is "four hundred eighty-seven million, eight hundred fifty thousand, four hundred forty-nine".