544425623021 has 16 divisors (see below), whose sum is σ = 655074255360. Its totient is φ = 442004837040.

The previous prime is 544425622981. The next prime is 544425623089. The reversal of 544425623021 is 120326524445.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544425623021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544425620021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303626 + ... + 1086756.

It is an arithmetic number, because the mean of its divisors is an integer number (40942140960).

Almost surely, 2^544425623021 is an apocalyptic number.

It is an amenable number.

544425623021 is a deficient number, since it is larger than the sum of its proper divisors (110648632339).

544425623021 is a wasteful number, since it uses less digits than its factorization.

544425623021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788384.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 544425623021 in words is "five hundred forty-four billion, four hundred twenty-five million, six hundred twenty-three thousand, twenty-one".