544541133621 has 8 divisors (see below), whose sum is σ = 726077603680. Its totient is φ = 363016042992.

The previous prime is 544541133607. The next prime is 544541133629. The reversal of 544541133621 is 126331145445.

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

It is not a de Polignac number, because 544541133621 - 2⁹ = 544541133109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544541133621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544541133629) 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, 2732566 + ... + 2925063.

It is an arithmetic number, because the mean of its divisors is an integer number (90759700460).

Almost surely, 2^544541133621 is an apocalyptic number.

It is an amenable number.

544541133621 is a deficient number, since it is larger than the sum of its proper divisors (181536470059).

544541133621 is a wasteful number, since it uses less digits than its factorization.

544541133621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689715.

The product of its digits is 172800, while the sum is 39.

The spelling of 544541133621 in words is "five hundred forty-four billion, five hundred forty-one million, one hundred thirty-three thousand, six hundred twenty-one".