889104909139 has 4 divisors (see below), whose sum is σ = 889107267256. Its totient is φ = 889102551024.

The previous prime is 889104909061. The next prime is 889104909197. The reversal of 889104909139 is 931909401988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 889104909139 - 2¹⁹ = 889104384851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889104900139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 472269 + ... + 1414654.

It is an arithmetic number, because the mean of its divisors is an integer number (222276816814).

Almost surely, 2^889104909139 is an apocalyptic number.

889104909139 is a deficient number, since it is larger than the sum of its proper divisors (2358117).

889104909139 is a wasteful number, since it uses less digits than its factorization.

889104909139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358116.

The product of its (nonzero) digits is 5038848, while the sum is 61.

The spelling of 889104909139 in words is "eight hundred eighty-nine billion, one hundred four million, nine hundred nine thousand, one hundred thirty-nine".