544756889809 has 4 divisors (see below), whose sum is σ = 594280243440. Its totient is φ = 495233536180.

The previous prime is 544756889753. The next prime is 544756889819. The reversal of 544756889809 is 908988657445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544756889809 - 2¹⁷ = 544756758737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544756889819) 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, 24761676799 + ... + 24761676820.

It is an arithmetic number, because the mean of its divisors is an integer number (148570060860).

Almost surely, 2^544756889809 is an apocalyptic number.

It is an amenable number.

544756889809 is a deficient number, since it is larger than the sum of its proper divisors (49523353631).

544756889809 is a wasteful number, since it uses less digits than its factorization.

544756889809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49523353630.

The product of its (nonzero) digits is 696729600, while the sum is 73.

The spelling of 544756889809 in words is "five hundred forty-four billion, seven hundred fifty-six million, eight hundred eighty-nine thousand, eight hundred nine".