10206436043449 has 2 divisors, whose sum is σ = 10206436043450. Its totient is φ = 10206436043448.

The previous prime is 10206436043417. The next prime is 10206436043473. The reversal of 10206436043449 is 94434063460201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9586720715049 + 619715328400 = 3096243^2 + 787220^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206436043449 - 2⁵ = 10206436043417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10206436043399 and 10206436043408.

It is not a weakly prime, because it can be changed into another prime (10206436047449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103218021724 + 5103218021725.

It is an arithmetic number, because the mean of its divisors is an integer number (5103218021725).

Almost surely, 2^{10206436043449} is an apocalyptic number.

It is an amenable number.

10206436043449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206436043449 is an equidigital number, since it uses as much as digits as its factorization.

10206436043449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 10206436043449 in words is "ten trillion, two hundred six billion, four hundred thirty-six million, forty-three thousand, four hundred forty-nine".