544404961 has 4 divisors (see below), whose sum is σ = 544465152. Its totient is φ = 544344772.

The previous prime is 544404947. The next prime is 544404989. The reversal of 544404961 is 169404445.

544404961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 544404961 - 2¹¹ = 544402913 is a prime.

It is a super-2 number, since 2×544404961² = 592753523122823042, which contains 22 as substring.

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 544404961.

It is not an unprimeable number, because it can be changed into a prime (544404911) 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, 13465 + ... + 35638.

It is an arithmetic number, because the mean of its divisors is an integer number (136116288).

Almost surely, 2^544404961 is an apocalyptic number.

It is an amenable number.

544404961 is a deficient number, since it is larger than the sum of its proper divisors (60191).

544404961 is a wasteful number, since it uses less digits than its factorization.

544404961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60190.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 544404961 is about 23332.4872441838. The cubic root of 544404961 is about 816.5335327795.

The spelling of 544404961 in words is "five hundred forty-four million, four hundred four thousand, nine hundred sixty-one".