41428769 has 2 divisors, whose sum is σ = 41428770. Its totient is φ = 41428768.

The previous prime is 41428757. The next prime is 41428799. The reversal of 41428769 is 96782414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34951744 + 6477025 = 5912^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 41428769 - 2²⁴ = 24651553 is a prime.

It is a super-2 number, since 2×41428769² = 3432685801710722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41428799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20714384 + 20714385.

It is an arithmetic number, because the mean of its divisors is an integer number (20714385).

Almost surely, 2^41428769 is an apocalyptic number.

It is an amenable number.

41428769 is a deficient number, since it is larger than the sum of its proper divisors (1).

41428769 is an equidigital number, since it uses as much as digits as its factorization.

41428769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 41428769 is about 6436.5183911801. The cubic root of 41428769 is about 346.0195813481.

The spelling of 41428769 in words is "forty-one million, four hundred twenty-eight thousand, seven hundred sixty-nine".