489431346944 has 216 divisors, whose sum is σ = 1109841496848. Its totient is φ = 214579445760.

The previous prime is 489431346941. The next prime is 489431346947. The reversal of 489431346944 is 449643134984.

It is an interprime number because it is at equal distance from previous prime (489431346941) and next prime (489431346947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489431346941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95832839 + ... + 95837945.

It is an arithmetic number, because the mean of its divisors is an integer number (5138155078).

Almost surely, 2^489431346944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489431346944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554920748424).

489431346944 is an abundant number, since it is smaller than the sum of its proper divisors (620410149904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489431346944 is a wasteful number, since it uses less digits than its factorization.

489431346944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239 (or 5206 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 59.

The spelling of 489431346944 in words is "four hundred eighty-nine billion, four hundred thirty-one million, three hundred forty-six thousand, nine hundred forty-four".