544442233381 has 2 divisors, whose sum is σ = 544442233382. Its totient is φ = 544442233380.

The previous prime is 544442233343. The next prime is 544442233399. The reversal of 544442233381 is 183332244445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354511877281 + 189930356100 = 595409^2 + 435810^2 .

It is a cyclic number.

It is not a de Polignac number, because 544442233381 - 2⁷ = 544442233253 is a prime.

It is a super-2 number, since 2×544442233381² (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 (544442234381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272221116690 + 272221116691.

It is an arithmetic number, because the mean of its divisors is an integer number (272221116691).

Almost surely, 2^544442233381 is an apocalyptic number.

It is an amenable number.

544442233381 is a deficient number, since it is larger than the sum of its proper divisors (1).

544442233381 is an equidigital number, since it uses as much as digits as its factorization.

544442233381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 43.

The spelling of 544442233381 in words is "five hundred forty-four billion, four hundred forty-two million, two hundred thirty-three thousand, three hundred eighty-one".