1389430355485 has 8 divisors (see below), whose sum is σ = 1674597285720. Its totient is φ = 1106690378304.

The previous prime is 1389430355479. The next prime is 1389430355497. The reversal of 1389430355485 is 5845530349831.

It can be written as a sum of positive squares in 4 ways, for example, as 500079508569 + 889350846916 = 707163^2 + 943054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1389430355485 - 2¹⁵ = 1389430322717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606737002 + ... + 606739291.

It is an arithmetic number, because the mean of its divisors is an integer number (209324660715).

Almost surely, 2^{1389430355485} is an apocalyptic number.

It is an amenable number.

1389430355485 is a deficient number, since it is larger than the sum of its proper divisors (285166930235).

1389430355485 is a wasteful number, since it uses less digits than its factorization.

1389430355485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213476527.

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 1389430355485 in words is "one trillion, three hundred eighty-nine billion, four hundred thirty million, three hundred fifty-five thousand, four hundred eighty-five".