544531253421 has 8 divisors (see below), whose sum is σ = 726282813024. Its totient is φ = 362900264720.

The previous prime is 544531253389. The next prime is 544531253459. The reversal of 544531253421 is 124352135445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 544531253421 - 2⁵ = 544531253389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 544531253421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544531253471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30132186 + ... + 30150251.

It is an arithmetic number, because the mean of its divisors is an integer number (90785351628).

Almost surely, 2^544531253421 is an apocalyptic number.

It is an amenable number.

544531253421 is a deficient number, since it is larger than the sum of its proper divisors (181751559603).

544531253421 is a wasteful number, since it uses less digits than its factorization.

544531253421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60285451.

The product of its digits is 288000, while the sum is 39.

Adding to 544531253421 its reverse (124352135445), we get a palindrome (668883388866).

The spelling of 544531253421 in words is "five hundred forty-four billion, five hundred thirty-one million, two hundred fifty-three thousand, four hundred twenty-one".