1489223979264 has 144 divisors (see below), whose sum is σ = 4547773762560. Its totient is φ = 423796992000.

The previous prime is 1489223979247. The next prime is 1489223979311. The reversal of 1489223979264 is 4629793229841.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1489223979195 and 1489223979204.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 797557 + ... + 1901195.

It is an arithmetic number, because the mean of its divisors is an integer number (31581762240).

Almost surely, 2^{1489223979264} is an apocalyptic number.

1489223979264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489223979264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273886881280).

1489223979264 is an abundant number, since it is smaller than the sum of its proper divisors (3058549783296).

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

1489223979264 is a wasteful number, since it uses less digits than its factorization.

1489223979264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103916 (or 1103902 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 66.

The spelling of 1489223979264 in words is "one trillion, four hundred eighty-nine billion, two hundred twenty-three million, nine hundred seventy-nine thousand, two hundred sixty-four".