13944748866047 has 8 divisors (see below), whose sum is σ = 14173644434352. Its totient is φ = 13715862753600.

The previous prime is 13944748866031. The next prime is 13944748866053. The reversal of 13944748866047 is 74066884744931.

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 13944748866047 - 2⁴ = 13944748866031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944748866007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640772 + ... + 5319782.

It is an arithmetic number, because the mean of its divisors is an integer number (1771705554294).

Almost surely, 2^{13944748866047} is an apocalyptic number.

13944748866047 is a deficient number, since it is larger than the sum of its proper divisors (228895568305).

13944748866047 is an equidigital number, since it uses as much as digits as its factorization.

13944748866047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727929.

The product of its (nonzero) digits is 780337152, while the sum is 71.

The spelling of 13944748866047 in words is "thirteen trillion, nine hundred forty-four billion, seven hundred forty-eight million, eight hundred sixty-six thousand, forty-seven".