548361905039 has 4 divisors (see below), whose sum is σ = 590543590056. Its totient is φ = 506180220024.

The previous prime is 548361905027. The next prime is 548361905083. The reversal of 548361905039 is 930509163845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548361905039 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 (548361905089) 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, 21090842489 + ... + 21090842514.

It is an arithmetic number, because the mean of its divisors is an integer number (147635897514).

Almost surely, 2^548361905039 is an apocalyptic number.

548361905039 is a deficient number, since it is larger than the sum of its proper divisors (42181685017).

548361905039 is a wasteful number, since it uses less digits than its factorization.

548361905039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42181685016.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 548361905039 in words is "five hundred forty-eight billion, three hundred sixty-one million, nine hundred five thousand, thirty-nine".