44006663656243 has 2 divisors, whose sum is σ = 44006663656244. Its totient is φ = 44006663656242.

The previous prime is 44006663656223. The next prime is 44006663656271. The reversal of 44006663656243 is 34265636660044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44006663656243 - 2²⁹ = 44006126785331 is a prime.

It is not a weakly prime, because it can be changed into another prime (44006663656223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22003331828121 + 22003331828122.

It is an arithmetic number, because the mean of its divisors is an integer number (22003331828122).

Almost surely, 2^{44006663656243} is an apocalyptic number.

44006663656243 is a deficient number, since it is larger than the sum of its proper divisors (1).

44006663656243 is an equidigital number, since it uses as much as digits as its factorization.

44006663656243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 55.

The spelling of 44006663656243 in words is "forty-four trillion, six billion, six hundred sixty-three million, six hundred fifty-six thousand, two hundred forty-three".