4534448444381 has 2 divisors, whose sum is σ = 4534448444382. Its totient is φ = 4534448444380.

The previous prime is 4534448444347. The next prime is 4534448444459. The reversal of 4534448444381 is 1834448444354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4384454900281 + 149993544100 = 2093909^2 + 387290^2 .

It is a cyclic number.

It is not a de Polignac number, because 4534448444381 - 2³⁰ = 4533374702557 is a prime.

It is a super-2 number, since 2×4534448444381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4534448444311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267224222190 + 2267224222191.

It is an arithmetic number, because the mean of its divisors is an integer number (2267224222191).

Almost surely, 2^{4534448444381} is an apocalyptic number.

It is an amenable number.

4534448444381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4534448444381 is an equidigital number, since it uses as much as digits as its factorization.

4534448444381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47185920, while the sum is 56.

The spelling of 4534448444381 in words is "four trillion, five hundred thirty-four billion, four hundred forty-eight million, four hundred forty-four thousand, three hundred eighty-one".