3544741644121 has 2 divisors, whose sum is σ = 3544741644122. Its totient is φ = 3544741644120.

The previous prime is 3544741644109. The next prime is 3544741644233. The reversal of 3544741644121 is 1214461474453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2425927736521 + 1118813907600 = 1557539^2 + 1057740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3544741644121 - 2³⁹ = 2994985830233 is a prime.

It is not a weakly prime, because it can be changed into another prime (3544741644721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772370822060 + 1772370822061.

It is an arithmetic number, because the mean of its divisors is an integer number (1772370822061).

Almost surely, 2^{3544741644121} is an apocalyptic number.

It is an amenable number.

3544741644121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3544741644121 is an equidigital number, since it uses as much as digits as its factorization.

3544741644121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 46.

The spelling of 3544741644121 in words is "three trillion, five hundred forty-four billion, seven hundred forty-one million, six hundred forty-four thousand, one hundred twenty-one".