12944529557338 has 8 divisors (see below), whose sum is σ = 19605306902688. Its totient is φ = 6409427256444.

The previous prime is 12944529557243. The next prime is 12944529557347. The reversal of 12944529557338 is 83375592544921.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31418760856 + ... + 31418761267.

It is an arithmetic number, because the mean of its divisors is an integer number (2450663362836).

Almost surely, 2^{12944529557338} is an apocalyptic number.

12944529557338 is a deficient number, since it is larger than the sum of its proper divisors (6660777345350).

12944529557338 is a wasteful number, since it uses less digits than its factorization.

12944529557338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62837522228.

The product of its digits is 326592000, while the sum is 67.

The spelling of 12944529557338 in words is "twelve trillion, nine hundred forty-four billion, five hundred twenty-nine million, five hundred fifty-seven thousand, three hundred thirty-eight".