487755309189 has 4 divisors (see below), whose sum is σ = 650340412256. Its totient is φ = 325170206124.

The previous prime is 487755309169. The next prime is 487755309199. The reversal of 487755309189 is 981903557784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 487755309189 - 2⁵ = 487755309157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487755309109) 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 in 3 ways as a sum of consecutive naturals, for example, 81292551529 + ... + 81292551534.

It is an arithmetic number, because the mean of its divisors is an integer number (162585103064).

Almost surely, 2^487755309189 is an apocalyptic number.

It is an amenable number.

487755309189 is a deficient number, since it is larger than the sum of its proper divisors (162585103067).

487755309189 is a wasteful number, since it uses less digits than its factorization.

487755309189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162585103066.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 487755309189 in words is "four hundred eighty-seven billion, seven hundred fifty-five million, three hundred nine thousand, one hundred eighty-nine".