1289469339906 has 16 divisors (see below), whose sum is σ = 2813387650848. Its totient is φ = 390748284800.

The previous prime is 1289469339887. The next prime is 1289469339923. The reversal of 1289469339906 is 6099339649821.

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 7 ways as a sum of consecutive naturals, for example, 9768707055 + ... + 9768707186.

It is an arithmetic number, because the mean of its divisors is an integer number (175836728178).

Almost surely, 2^{1289469339906} is an apocalyptic number.

1289469339906 is an abundant number, since it is smaller than the sum of its proper divisors (1523918310942).

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

1289469339906 is a wasteful number, since it uses less digits than its factorization.

1289469339906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537414257.

The product of its (nonzero) digits is 136048896, while the sum is 69.

The spelling of 1289469339906 in words is "one trillion, two hundred eighty-nine billion, four hundred sixty-nine million, three hundred thirty-nine thousand, nine hundred six".