2104440373573 has 2 divisors, whose sum is σ = 2104440373574. Its totient is φ = 2104440373572.

The previous prime is 2104440373439. The next prime is 2104440373591. The reversal of 2104440373573 is 3753730444012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2079369768004 + 25070605569 = 1442002^2 + 158337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104440373573 - 2³⁷ = 1967001420101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104440373073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052220186786 + 1052220186787.

It is an arithmetic number, because the mean of its divisors is an integer number (1052220186787).

Almost surely, 2^{2104440373573} is an apocalyptic number.

It is an amenable number.

2104440373573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104440373573 is an equidigital number, since it uses as much as digits as its factorization.

2104440373573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 2104440373573 in words is "two trillion, one hundred four billion, four hundred forty million, three hundred seventy-three thousand, five hundred seventy-three".