1389489406334 has 32 divisors (see below), whose sum is σ = 2264929551360. Its totient is φ = 636883776000.

The previous prime is 1389489406297. The next prime is 1389489406379. The reversal of 1389489406334 is 4336049849831.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

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, 12907934 + ... + 13015134.

It is an arithmetic number, because the mean of its divisors is an integer number (70779048480).

Almost surely, 2^{1389489406334} is an apocalyptic number.

1389489406334 is a deficient number, since it is larger than the sum of its proper divisors (875440145026).

1389489406334 is a wasteful number, since it uses less digits than its factorization.

1389489406334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118256.

The product of its (nonzero) digits is 53747712, while the sum is 62.

The spelling of 1389489406334 in words is "one trillion, three hundred eighty-nine billion, four hundred eighty-nine million, four hundred six thousand, three hundred thirty-four".