544145326601 has 2 divisors, whose sum is σ = 544145326602. Its totient is φ = 544145326600.

The previous prime is 544145326513. The next prime is 544145326607. The reversal of 544145326601 is 106623541445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330216876025 + 213928450576 = 574645^2 + 462524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544145326601 is a prime.

It is not a weakly prime, because it can be changed into another prime (544145326607) 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, 272072663300 + 272072663301.

It is an arithmetic number, because the mean of its divisors is an integer number (272072663301).

Almost surely, 2^544145326601 is an apocalyptic number.

It is an amenable number.

544145326601 is a deficient number, since it is larger than the sum of its proper divisors (1).

544145326601 is an equidigital number, since it uses as much as digits as its factorization.

544145326601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 544145326601 in words is "five hundred forty-four billion, one hundred forty-five million, three hundred twenty-six thousand, six hundred one".