1489343664 has 80 divisors (see below), whose sum is σ = 4026281984. Its totient is φ = 473817600.

The previous prime is 1489343659. The next prime is 1489343699. The reversal of 1489343664 is 4663439841.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101769 + ... + 115479.

Almost surely, 2^1489343664 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 1489343664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013140992).

1489343664 is an abundant number, since it is smaller than the sum of its proper divisors (2536938320).

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

1489343664 is a wasteful number, since it uses less digits than its factorization.

1489343664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826 (or 13820 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 1489343664 is about 38592.0155472605. The cubic root of 1489343664 is about 1141.9970289958.

The spelling of 1489343664 in words is "one billion, four hundred eighty-nine million, three hundred forty-three thousand, six hundred sixty-four".