544254042521 has 16 divisors (see below), whose sum is σ = 623550259200. Its totient is φ = 465344679888.

The previous prime is 544254042511. The next prime is 544254042569. The reversal of 544254042521 is 125240452445.

It is a cyclic number.

It is not a de Polignac number, because 544254042521 - 2¹⁴ = 544254026137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544254042511) 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 in 15 ways as a sum of consecutive naturals, for example, 17632820 + ... + 17663658.

It is an arithmetic number, because the mean of its divisors is an integer number (38971891200).

Almost surely, 2^544254042521 is an apocalyptic number.

It is an amenable number.

544254042521 is a deficient number, since it is larger than the sum of its proper divisors (79296216679).

544254042521 is a wasteful number, since it uses less digits than its factorization.

544254042521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 544254042521 its reverse (125240452445), we get a palindrome (669494494966).

The spelling of 544254042521 in words is "five hundred forty-four billion, two hundred fifty-four million, forty-two thousand, five hundred twenty-one".