1389009044732 has 48 divisors (see below), whose sum is σ = 2634500971872. Its totient is φ = 638233344000.

The previous prime is 1389009044729. The next prime is 1389009044737. The reversal of 1389009044732 is 2374409009831.

It is a super-2 number, since 2×1389009044732² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389009044737) 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 15 ways as a sum of consecutive naturals, for example, 8695778 + ... + 8854070.

It is an arithmetic number, because the mean of its divisors is an integer number (54885436914).

Almost surely, 2^{1389009044732} is an apocalyptic number.

It is an amenable number.

1389009044732 is a deficient number, since it is larger than the sum of its proper divisors (1245491927140).

1389009044732 is a wasteful number, since it uses less digits than its factorization.

1389009044732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161358 (or 161356 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 1389009044732 in words is "one trillion, three hundred eighty-nine billion, nine million, forty-four thousand, seven hundred thirty-two".