487546691 has 2 divisors, whose sum is σ = 487546692. Its totient is φ = 487546690.

The previous prime is 487546687. The next prime is 487546693. The reversal of 487546691 is 196645784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487546691 - 2² = 487546687 is a prime.

Together with 487546693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487546693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243773345 + 243773346.

It is an arithmetic number, because the mean of its divisors is an integer number (243773346).

Almost surely, 2^487546691 is an apocalyptic number.

487546691 is a deficient number, since it is larger than the sum of its proper divisors (1).

487546691 is an equidigital number, since it uses as much as digits as its factorization.

487546691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 487546691 is about 22080.4594834437. The cubic root of 487546691 is about 787.0555838309.

The spelling of 487546691 in words is "four hundred eighty-seven million, five hundred forty-six thousand, six hundred ninety-one".