548646144643 has 4 divisors (see below), whose sum is σ = 548918157640. Its totient is φ = 548374131648.

The previous prime is 548646144611. The next prime is 548646144671. The reversal of 548646144643 is 346441646845.

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 548646144643 - 2⁵ = 548646144611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548646148643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136003473 + ... + 136007506.

It is an arithmetic number, because the mean of its divisors is an integer number (137229539410).

Almost surely, 2^548646144643 is an apocalyptic number.

548646144643 is a deficient number, since it is larger than the sum of its proper divisors (272012997).

548646144643 is a wasteful number, since it uses less digits than its factorization.

548646144643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272012996.

The product of its digits is 26542080, while the sum is 55.

The spelling of 548646144643 in words is "five hundred forty-eight billion, six hundred forty-six million, one hundred forty-four thousand, six hundred forty-three".