20148449014943 has 8 divisors (see below), whose sum is σ = 21477360710400. Its totient is φ = 18846384020568.

The previous prime is 20148449014937. The next prime is 20148449015011. The reversal of 20148449014943 is 34941094484102.

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 20148449014943 - 2³⁰ = 20147375273119 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 (20148449013943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6711673721 + ... + 6711676722.

It is an arithmetic number, because the mean of its divisors is an integer number (2684670088800).

Almost surely, 2^{20148449014943} is an apocalyptic number.

20148449014943 is a deficient number, since it is larger than the sum of its proper divisors (1328911695457).

20148449014943 is a wasteful number, since it uses less digits than its factorization.

20148449014943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423350541.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 20148449014943 in words is "twenty trillion, one hundred forty-eight billion, four hundred forty-nine million, fourteen thousand, nine hundred forty-three".