10447394189 has 2 divisors, whose sum is σ = 10447394190. Its totient is φ = 10447394188.

The previous prime is 10447394179. The next prime is 10447394281. The reversal of 10447394189 is 98149374401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8401188964 + 2046205225 = 91658^2 + 45235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10447394189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10447394119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5223697094 + 5223697095.

It is an arithmetic number, because the mean of its divisors is an integer number (5223697095).

Almost surely, 2^10447394189 is an apocalyptic number.

It is an amenable number.

10447394189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10447394189 is an equidigital number, since it uses as much as digits as its factorization.

10447394189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 10447394189 in words is "ten billion, four hundred forty-seven million, three hundred ninety-four thousand, one hundred eighty-nine".