10205840873 has 2 divisors, whose sum is σ = 10205840874. Its totient is φ = 10205840872.

The previous prime is 10205840839. The next prime is 10205840881. The reversal of 10205840873 is 37804850201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9095818384 + 1110022489 = 95372^2 + 33317^2 .

It is a cyclic number.

It is not a de Polignac number, because 10205840873 - 2¹⁰ = 10205839849 is a prime.

It is not a weakly prime, because it can be changed into another prime (10205840833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102920436 + 5102920437.

It is an arithmetic number, because the mean of its divisors is an integer number (5102920437).

Almost surely, 2^10205840873 is an apocalyptic number.

It is an amenable number.

10205840873 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205840873 is an equidigital number, since it uses as much as digits as its factorization.

10205840873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 10205840873 in words is "ten billion, two hundred five million, eight hundred forty thousand, eight hundred seventy-three".