489642349047 has 8 divisors (see below), whose sum is σ = 661799704944. Its totient is φ = 321956612928.

The previous prime is 489642349019. The next prime is 489642349061. The reversal of 489642349047 is 740943246984.

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

It is not a de Polignac number, because 489642349047 - 2¹⁸ = 489642086903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489642349067) 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, 1117904688 + ... + 1117905125.

It is an arithmetic number, because the mean of its divisors is an integer number (82724963118).

Almost surely, 2^489642349047 is an apocalyptic number.

489642349047 is a deficient number, since it is larger than the sum of its proper divisors (172157355897).

489642349047 is a wasteful number, since it uses less digits than its factorization.

489642349047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235809889.

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 489642349047 in words is "four hundred eighty-nine billion, six hundred forty-two million, three hundred forty-nine thousand, forty-seven".