44020563343649 has 2 divisors, whose sum is σ = 44020563343650. Its totient is φ = 44020563343648.

The previous prime is 44020563343531. The next prime is 44020563343657. The reversal of 44020563343649 is 94634336502044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30545739312400 + 13474824031249 = 5526820^2 + 3670807^2 .

It is a cyclic number.

It is not a de Polignac number, because 44020563343649 - 2²⁴ = 44020546566433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44020563343649.

It is not a weakly prime, because it can be changed into another prime (44020563343049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010281671824 + 22010281671825.

It is an arithmetic number, because the mean of its divisors is an integer number (22010281671825).

Almost surely, 2^{44020563343649} is an apocalyptic number.

It is an amenable number.

44020563343649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44020563343649 is an equidigital number, since it uses as much as digits as its factorization.

44020563343649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 44020563343649 in words is "forty-four trillion, twenty billion, five hundred sixty-three million, three hundred forty-three thousand, six hundred forty-nine".