544331544469 has 2 divisors, whose sum is σ = 544331544470. Its totient is φ = 544331544468.

The previous prime is 544331544451. The next prime is 544331544563. The reversal of 544331544469 is 964445133445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508423189444 + 35908355025 = 713038^2 + 189495^2 .

It is a cyclic number.

It is not a de Polignac number, because 544331544469 - 2⁹ = 544331543957 is a prime.

It is a super-2 number, since 2×544331544469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544331544439) 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 as a sum of consecutive naturals, namely, 272165772234 + 272165772235.

It is an arithmetic number, because the mean of its divisors is an integer number (272165772235).

Almost surely, 2^544331544469 is an apocalyptic number.

It is an amenable number.

544331544469 is a deficient number, since it is larger than the sum of its proper divisors (1).

544331544469 is an equidigital number, since it uses as much as digits as its factorization.

544331544469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 52.

The spelling of 544331544469 in words is "five hundred forty-four billion, three hundred thirty-one million, five hundred forty-four thousand, four hundred sixty-nine".