544122635641 has 16 divisors (see below), whose sum is σ = 587829157776. Its totient is φ = 500681465856.

The previous prime is 544122635629. The next prime is 544122635663. The reversal of 544122635641 is 146536221445.

It can be written as a sum of positive squares in 8 ways, for example, as 36008857600 + 508113778041 = 189760^2 + 712821^2 .

It is not a de Polignac number, because 544122635641 - 2¹³ = 544122627449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544122635681) 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, 15461121 + ... + 15496273.

It is an arithmetic number, because the mean of its divisors is an integer number (36739322361).

Almost surely, 2^544122635641 is an apocalyptic number.

It is an amenable number.

544122635641 is a deficient number, since it is larger than the sum of its proper divisors (43706522135).

544122635641 is a wasteful number, since it uses less digits than its factorization.

544122635641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38892.

The product of its digits is 691200, while the sum is 43.

The spelling of 544122635641 in words is "five hundred forty-four billion, one hundred twenty-two million, six hundred thirty-five thousand, six hundred forty-one".