544563241421 has 4 divisors (see below), whose sum is σ = 546633824352. Its totient is φ = 542492658492.

The previous prime is 544563241349. The next prime is 544563241477. The reversal of 544563241421 is 124142365445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544563241421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544563243421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035291071 + ... + 1035291596.

It is an arithmetic number, because the mean of its divisors is an integer number (136658456088).

Almost surely, 2^544563241421 is an apocalyptic number.

It is an amenable number.

544563241421 is a deficient number, since it is larger than the sum of its proper divisors (2070582931).

544563241421 is a wasteful number, since it uses less digits than its factorization.

544563241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070582930.

The product of its digits is 460800, while the sum is 41.

The spelling of 544563241421 in words is "five hundred forty-four billion, five hundred sixty-three million, two hundred forty-one thousand, four hundred twenty-one".