544330425334221 has 12 divisors (see below), whose sum is σ = 787090611494460. Its totient is φ = 362501310525120.

The previous prime is 544330425334211. The next prime is 544330425334301. The reversal of 544330425334221 is 122433524033445.

544330425334221 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 30 + 4 + 253 + 342 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 324679351737321 + 219651073596900 = 18018861^2 + 14820630^2 .

It is not a de Polignac number, because 544330425334221 - 2¹⁰ = 544330425333197 is a prime.

It is a super-2 number, since 2×544330425334221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544330425334211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32136632536 + ... + 32136649473.

It is an arithmetic number, because the mean of its divisors is an integer number (65590884291205).

Almost surely, 2^{544330425334221} is an apocalyptic number.

It is an amenable number.

544330425334221 is a deficient number, since it is larger than the sum of its proper divisors (242760186160239).

544330425334221 is a wasteful number, since it uses less digits than its factorization.

544330425334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64273282956 (or 64273282953 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 45.

Adding to 544330425334221 its reverse (122433524033445), we get a palindrome (666763949367666).

The spelling of 544330425334221 in words is "five hundred forty-four trillion, three hundred thirty billion, four hundred twenty-five million, three hundred thirty-four thousand, two hundred twenty-one".