487431644271 has 32 divisors (see below), whose sum is σ = 808442788608. Its totient is φ = 256648496640.

The previous prime is 487431644269. The next prime is 487431644309. The reversal of 487431644271 is 172446134784.

It is not a de Polignac number, because 487431644271 - 2¹ = 487431644269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487431644201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33410481 + ... + 33425066.

It is an arithmetic number, because the mean of its divisors is an integer number (25263837144).

Almost surely, 2^487431644271 is an apocalyptic number.

487431644271 is a deficient number, since it is larger than the sum of its proper divisors (321011144337).

487431644271 is a wasteful number, since it uses less digits than its factorization.

487431644271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66835591.

The product of its digits is 3612672, while the sum is 51.

The spelling of 487431644271 in words is "four hundred eighty-seven billion, four hundred thirty-one million, six hundred forty-four thousand, two hundred seventy-one".