544413101909 has 2 divisors, whose sum is σ = 544413101910. Its totient is φ = 544413101908.

The previous prime is 544413101863. The next prime is 544413101927. The reversal of 544413101909 is 909101314445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418900200625 + 125512901284 = 647225^2 + 354278^2 .

It is a cyclic number.

It is not a de Polignac number, because 544413101909 - 2¹⁶ = 544413036373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544413101009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272206550954 + 272206550955.

It is an arithmetic number, because the mean of its divisors is an integer number (272206550955).

Almost surely, 2^544413101909 is an apocalyptic number.

It is an amenable number.

544413101909 is a deficient number, since it is larger than the sum of its proper divisors (1).

544413101909 is an equidigital number, since it uses as much as digits as its factorization.

544413101909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 544413101909 in words is "five hundred forty-four billion, four hundred thirteen million, one hundred one thousand, nine hundred nine".