41992649 has 2 divisors, whose sum is σ = 41992650. Its totient is φ = 41992648.

The previous prime is 41992619. The next prime is 41992661. The reversal of 41992649 is 94629914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 6375625 = 5968^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 41992649 - 2²⁰ = 40944073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41992619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20996324 + 20996325.

It is an arithmetic number, because the mean of its divisors is an integer number (20996325).

Almost surely, 2^41992649 is an apocalyptic number.

It is an amenable number.

41992649 is a deficient number, since it is larger than the sum of its proper divisors (1).

41992649 is an equidigital number, since it uses as much as digits as its factorization.

41992649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 41992649 is about 6480.1735316271. The cubic root of 41992649 is about 347.5823837245.

The spelling of 41992649 in words is "forty-one million, nine hundred ninety-two thousand, six hundred forty-nine".