44121435541 has 2 divisors, whose sum is σ = 44121435542. Its totient is φ = 44121435540.

The previous prime is 44121435529. The next prime is 44121435581. The reversal of 44121435541 is 14553412144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36599516100 + 7521919441 = 191310^2 + 86729^2 .

It is a cyclic number.

It is not a de Polignac number, because 44121435541 - 2¹¹ = 44121433493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44121435497 and 44121435506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44121435511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060717770 + 22060717771.

It is an arithmetic number, because the mean of its divisors is an integer number (22060717771).

Almost surely, 2^44121435541 is an apocalyptic number.

It is an amenable number.

44121435541 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121435541 is an equidigital number, since it uses as much as digits as its factorization.

44121435541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 34.

Adding to 44121435541 its reverse (14553412144), we get a palindrome (58674847685).

The spelling of 44121435541 in words is "forty-four billion, one hundred twenty-one million, four hundred thirty-five thousand, five hundred forty-one".