487172731449 has 8 divisors (see below), whose sum is σ = 687773268000. Its totient is φ = 305677007936.

The previous prime is 487172731447. The next prime is 487172731469. The reversal of 487172731449 is 944137271784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487172731449 - 2¹ = 487172731447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487172731447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4776203199 + ... + 4776203300.

It is an arithmetic number, because the mean of its divisors is an integer number (85971658500).

Almost surely, 2^487172731449 is an apocalyptic number.

It is an amenable number.

487172731449 is a deficient number, since it is larger than the sum of its proper divisors (200600536551).

487172731449 is a wasteful number, since it uses less digits than its factorization.

487172731449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552406519.

The product of its digits is 9483264, while the sum is 57.

The spelling of 487172731449 in words is "four hundred eighty-seven billion, one hundred seventy-two million, seven hundred thirty-one thousand, four hundred forty-nine".