41803649 has 2 divisors, whose sum is σ = 41803650. Its totient is φ = 41803648.

The previous prime is 41803631. The next prime is 41803651. The reversal of 41803649 is 94630814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 2050624 = 6305^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 41803649 - 2⁸ = 41803393 is a prime.

It is a Sophie Germain prime.

Together with 41803651, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p_2536496 and since 41803649 and 2536496 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (41803049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20901824 + 20901825.

It is an arithmetic number, because the mean of its divisors is an integer number (20901825).

Almost surely, 2^41803649 is an apocalyptic number.

It is an amenable number.

41803649 is a deficient number, since it is larger than the sum of its proper divisors (1).

41803649 is an equidigital number, since it uses as much as digits as its factorization.

41803649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 41803649 is about 6465.5741431059. The cubic root of 41803649 is about 347.0601345839.

It can be divided in two parts, 4 and 1803649, that multiplied together give a square (7214596 = 2686²).

The spelling of 41803649 in words is "forty-one million, eight hundred three thousand, six hundred forty-nine".