10394895409 has 2 divisors, whose sum is σ = 10394895410. Its totient is φ = 10394895408.

The previous prime is 10394895331. The next prime is 10394895439. The reversal of 10394895409 is 90459849301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7721488384 + 2673407025 = 87872^2 + 51705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10394895409 - 2⁹ = 10394894897 is a prime.

It is not a weakly prime, because it can be changed into another prime (10394895439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5197447704 + 5197447705.

It is an arithmetic number, because the mean of its divisors is an integer number (5197447705).

Almost surely, 2^10394895409 is an apocalyptic number.

It is an amenable number.

10394895409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10394895409 is an equidigital number, since it uses as much as digits as its factorization.

10394895409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 10394895409 in words is "ten billion, three hundred ninety-four million, eight hundred ninety-five thousand, four hundred nine".