2144690579439 has 12 divisors (see below), whose sum is σ = 3098559467016. Its totient is φ = 1429483069872.

The previous prime is 2144690579401. The next prime is 2144690579453. The reversal of 2144690579439 is 9349750964412.

2144690579439 is a `hidden beast` number, since 2 + 1 + 4 + 46 + 90 + 5 + 79 + 439 = 666.

It is not a de Polignac number, because 2144690579439 - 2²³ = 2144682190831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144690579539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25843752 + ... + 25926605.

It is an arithmetic number, because the mean of its divisors is an integer number (258213288918).

Almost surely, 2^{2144690579439} is an apocalyptic number.

2144690579439 is a deficient number, since it is larger than the sum of its proper divisors (953868887577).

2144690579439 is a wasteful number, since it uses less digits than its factorization.

2144690579439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51774966 (or 51774963 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 2144690579439 in words is "two trillion, one hundred forty-four billion, six hundred ninety million, five hundred seventy-nine thousand, four hundred thirty-nine".