548345849221 has 8 divisors (see below), whose sum is σ = 555606022400. Its totient is φ = 541093653360.

The previous prime is 548345849119. The next prime is 548345849231. The reversal of 548345849221 is 122948543845.

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 548345849221 - 2⁹ = 548345848709 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 (548345849231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855881 + ... + 2130958.

It is an arithmetic number, because the mean of its divisors is an integer number (69450752800).

Almost surely, 2^548345849221 is an apocalyptic number.

It is an amenable number.

548345849221 is a deficient number, since it is larger than the sum of its proper divisors (7260173179).

548345849221 is a wasteful number, since it uses less digits than its factorization.

548345849221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988659.

The product of its digits is 11059200, while the sum is 55.

The spelling of 548345849221 in words is "five hundred forty-eight billion, three hundred forty-five million, eight hundred forty-nine thousand, two hundred twenty-one".