1389631325841 has 16 divisors (see below), whose sum is σ = 2245868809920. Its totient is φ = 842200803360.

The previous prime is 1389631325773. The next prime is 1389631325861. The reversal of 1389631325841 is 1485231369831.

It is a happy number.

1389631325841 is a `hidden beast` number, since 1 + 38 + 9 + 6 + 313 + 258 + 41 = 666.

It is not a de Polignac number, because 1389631325841 - 2¹⁰ = 1389631324817 is a prime.

It is a super-3 number, since 3×1389631325841³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1389631325861) 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, 2339446380 + ... + 2339446973.

It is an arithmetic number, because the mean of its divisors is an integer number (140366800620).

Almost surely, 2^{1389631325841} is an apocalyptic number.

1389631325841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1389631325841 is a deficient number, since it is larger than the sum of its proper divisors (856237484079).

1389631325841 is a wasteful number, since it uses less digits than its factorization.

1389631325841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678893373 (or 4678893367 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 1389631325841 in words is "one trillion, three hundred eighty-nine billion, six hundred thirty-one million, three hundred twenty-five thousand, eight hundred forty-one".