41943949 has 2 divisors, whose sum is σ = 41943950. Its totient is φ = 41943948.

The previous prime is 41943931. The next prime is 41943953. The reversal of 41943949 is 94934914.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 20088324 = 4675^2 + 4482^2 .

It is a cyclic number.

It is not a de Polignac number, because 41943949 - 2⁷ = 41943821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41943919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20971974 + 20971975.

It is an arithmetic number, because the mean of its divisors is an integer number (20971975).

Almost surely, 2^41943949 is an apocalyptic number.

It is an amenable number.

41943949 is a deficient number, since it is larger than the sum of its proper divisors (1).

41943949 is an equidigital number, since it uses as much as digits as its factorization.

41943949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 41943949 is about 6476.4148261210. The cubic root of 41943949 is about 347.4479648808.

The spelling of 41943949 in words is "forty-one million, nine hundred forty-three thousand, nine hundred forty-nine".