2091441424973 has 2 divisors, whose sum is σ = 2091441424974. Its totient is φ = 2091441424972.

The previous prime is 2091441424871. The next prime is 2091441424979. The reversal of 2091441424973 is 3794241441902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081460644489 + 1009980780484 = 1039933^2 + 1004978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091441424973 - 2¹² = 2091441420877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091441424979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045720712486 + 1045720712487.

It is an arithmetic number, because the mean of its divisors is an integer number (1045720712487).

Almost surely, 2^{2091441424973} is an apocalyptic number.

It is an amenable number.

2091441424973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091441424973 is an equidigital number, since it uses as much as digits as its factorization.

2091441424973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 2091441424973 in words is "two trillion, ninety-one billion, four hundred forty-one million, four hundred twenty-four thousand, nine hundred seventy-three".