411820691573 has 2 divisors, whose sum is σ = 411820691574. Its totient is φ = 411820691572.

The previous prime is 411820691567. The next prime is 411820691599. The reversal of 411820691573 is 375196028114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273479840209 + 138340851364 = 522953^2 + 371942^2 .

It is a cyclic number.

It is not a de Polignac number, because 411820691573 - 2¹⁰ = 411820690549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411820690573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205910345786 + 205910345787.

It is an arithmetic number, because the mean of its divisors is an integer number (205910345787).

It is a 1-persistent number, because it is pandigital, but 2⋅411820691573 = 823641383146 is not.

Almost surely, 2^411820691573 is an apocalyptic number.

It is an amenable number.

411820691573 is a deficient number, since it is larger than the sum of its proper divisors (1).

411820691573 is an equidigital number, since it uses as much as digits as its factorization.

411820691573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 411820691573 in words is "four hundred eleven billion, eight hundred twenty million, six hundred ninety-one thousand, five hundred seventy-three".