41909069 has 2 divisors, whose sum is σ = 41909070. Its totient is φ = 41909068.

The previous prime is 41909053. The next prime is 41909071. The reversal of 41909069 is 96090914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 12075625 = 5462^2 + 3475^2 .

It is a cyclic number.

It is not a de Polignac number, because 41909069 - 2⁴ = 41909053 is a prime.

It is a super-2 number, since 2×41909069² = 3512740128893522, which contains 22 as substring.

Together with 41909071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41909039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20954534 + 20954535.

It is an arithmetic number, because the mean of its divisors is an integer number (20954535).

Almost surely, 2^41909069 is an apocalyptic number.

It is an amenable number.

41909069 is a deficient number, since it is larger than the sum of its proper divisors (1).

41909069 is an equidigital number, since it uses as much as digits as its factorization.

41909069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 41909069 is about 6473.7214181644. The cubic root of 41909069 is about 347.3516272192.

The spelling of 41909069 in words is "forty-one million, nine hundred nine thousand, sixty-nine".