544394892961 has 8 divisors (see below), whose sum is σ = 557580021120. Its totient is φ = 531276525648.

The previous prime is 544394892959. The next prime is 544394892967. The reversal of 544394892961 is 169298493445.

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 544394892961 - 2¹ = 544394892959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544394892893 and 544394892902.

It is not an unprimeable number, because it can be changed into a prime (544394892967) 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, 16673706 + ... + 16706323.

It is an arithmetic number, because the mean of its divisors is an integer number (69697502640).

Almost surely, 2^544394892961 is an apocalyptic number.

It is an amenable number.

544394892961 is a deficient number, since it is larger than the sum of its proper divisors (13185128159).

544394892961 is a wasteful number, since it uses less digits than its factorization.

544394892961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33380423.

The product of its digits is 67184640, while the sum is 64.

The spelling of 544394892961 in words is "five hundred forty-four billion, three hundred ninety-four million, eight hundred ninety-two thousand, nine hundred sixty-one".