544464181464409 has 2 divisors, whose sum is σ = 544464181464410. Its totient is φ = 544464181464408.

The previous prime is 544464181464377. The next prime is 544464181464517. The reversal of 544464181464409 is 904464181464445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538301017729225 + 6163163735184 = 23201315^2 + 2482572^2 .

It is a cyclic number.

It is not a de Polignac number, because 544464181464409 - 2⁵ = 544464181464377 is a prime.

It is not a weakly prime, because it can be changed into another prime (544464181464109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272232090732204 + 272232090732205.

It is an arithmetic number, because the mean of its divisors is an integer number (272232090732205).

Almost surely, 2^{544464181464409} is an apocalyptic number.

It is an amenable number.

544464181464409 is a deficient number, since it is larger than the sum of its proper divisors (1).

544464181464409 is an equidigital number, since it uses as much as digits as its factorization.

544464181464409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212336640, while the sum is 64.

The spelling of 544464181464409 in words is "five hundred forty-four trillion, four hundred sixty-four billion, one hundred eighty-one million, four hundred sixty-four thousand, four hundred nine".