41609449289 has 2 divisors, whose sum is σ = 41609449290. Its totient is φ = 41609449288.

The previous prime is 41609449253. The next prime is 41609449309. The reversal of 41609449289 is 98294490614.

41609449289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32325163264 + 9284286025 = 179792^2 + 96355^2 .

It is a cyclic number.

It is not a de Polignac number, because 41609449289 - 2¹² = 41609445193 is a prime.

It is not a weakly prime, because it can be changed into another prime (41605449289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20804724644 + 20804724645.

It is an arithmetic number, because the mean of its divisors is an integer number (20804724645).

Almost surely, 2^41609449289 is an apocalyptic number.

It is an amenable number.

41609449289 is a deficient number, since it is larger than the sum of its proper divisors (1).

41609449289 is an equidigital number, since it uses as much as digits as its factorization.

41609449289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 41609449289 in words is "forty-one billion, six hundred nine million, four hundred forty-nine thousand, two hundred eighty-nine".