548138831845 has 8 divisors (see below), whose sum is σ = 717563561760. Its totient is φ = 398646423120.

The previous prime is 548138831803. The next prime is 548138831861.

548138831845 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 548138831845 - 2⁷ = 548138831717 is a prime.

It is a super-2 number, since 2×548138831845² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 548138831845.

It is a congruent number.

It is an unprimeable number.

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, 4983080235 + ... + 4983080344.

It is an arithmetic number, because the mean of its divisors is an integer number (89695445220).

Almost surely, 2^548138831845 is an apocalyptic number.

548138831845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548138831845 is a deficient number, since it is larger than the sum of its proper divisors (169424729915).

548138831845 is a wasteful number, since it uses less digits than its factorization.

548138831845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966160595.

The product of its digits is 14745600, while the sum is 58.

The spelling of 548138831845 in words is "five hundred forty-eight billion, one hundred thirty-eight million, eight hundred thirty-one thousand, eight hundred forty-five".