548903909649 has 16 divisors (see below), whose sum is σ = 733413320640. Its totient is φ = 365165675520.

The previous prime is 548903909629. The next prime is 548903909681. The reversal of 548903909649 is 946909309845.

It is a happy number.

It is not a de Polignac number, because 548903909649 - 2⁹ = 548903909137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 548903909649.

It is not an unprimeable number, because it can be changed into a prime (548903909629) 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 15 ways as a sum of consecutive naturals, for example, 4907257 + ... + 5017865.

It is an arithmetic number, because the mean of its divisors is an integer number (45838332540).

Almost surely, 2^548903909649 is an apocalyptic number.

It is an amenable number.

548903909649 is a deficient number, since it is larger than the sum of its proper divisors (184509410991).

548903909649 is a wasteful number, since it uses less digits than its factorization.

548903909649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114080.

The product of its (nonzero) digits is 75582720, while the sum is 66.

The spelling of 548903909649 in words is "five hundred forty-eight billion, nine hundred three million, nine hundred nine thousand, six hundred forty-nine".