41801869 has 2 divisors, whose sum is σ = 41801870. Its totient is φ = 41801868.

The previous prime is 41801867. The next prime is 41801899. The reversal of 41801869 is 96810814.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41447844 + 354025 = 6438^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 41801869 - 2¹ = 41801867 is a prime.

It is a super-2 number, since 2×41801869² = 3494792503786322, which contains 22 as substring.

Together with 41801867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41801867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20900934 + 20900935.

It is an arithmetic number, because the mean of its divisors is an integer number (20900935).

Almost surely, 2^41801869 is an apocalyptic number.

It is an amenable number.

41801869 is a deficient number, since it is larger than the sum of its proper divisors (1).

41801869 is an equidigital number, since it uses as much as digits as its factorization.

41801869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 41801869 is about 6465.4364895187. The cubic root of 41801869 is about 347.0552085721.

The spelling of 41801869 in words is "forty-one million, eight hundred one thousand, eight hundred sixty-nine".