548751389991 has 12 divisors (see below), whose sum is σ = 851124605112. Its totient is φ = 313572222768.

The previous prime is 548751389929. The next prime is 548751390023. The reversal of 548751389991 is 199983157845.

It is not a de Polignac number, because 548751389991 - 2¹⁵ = 548751357223 is a prime.

It is a super-3 number, since 3×548751389991³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548751389491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866501180 + ... + 1866501473.

It is an arithmetic number, because the mean of its divisors is an integer number (70927050426).

Almost surely, 2^548751389991 is an apocalyptic number.

548751389991 is a deficient number, since it is larger than the sum of its proper divisors (302373215121).

548751389991 is a wasteful number, since it uses less digits than its factorization.

548751389991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733002670 (or 3733002663 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 69.

The spelling of 548751389991 in words is "five hundred forty-eight billion, seven hundred fifty-one million, three hundred eighty-nine thousand, nine hundred ninety-one".