14489639721744 has 160 divisors (see below), whose sum is σ = 42656860929024. Its totient is φ = 4195261847040.

The previous prime is 14489639721701. The next prime is 14489639721749. The reversal of 14489639721744 is 44712793698441.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (14489639721749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10356862 + ... + 11672354.

Almost surely, 2^{14489639721744} 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 14489639721744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21328430464512).

14489639721744 is an abundant number, since it is smaller than the sum of its proper divisors (28167221207280).

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

14489639721744 is a wasteful number, since it uses less digits than its factorization.

14489639721744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316445 (or 1316439 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 69.

The spelling of 14489639721744 in words is "fourteen trillion, four hundred eighty-nine billion, six hundred thirty-nine million, seven hundred twenty-one thousand, seven hundred forty-four".