41381939 has 2 divisors, whose sum is σ = 41381940. Its totient is φ = 41381938.

The previous prime is 41381911. The next prime is 41381941. The reversal of 41381939 is 93918314.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41381939 - 2¹⁶ = 41316403 is a prime.

Together with 41381941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41381239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20690969 + 20690970.

It is an arithmetic number, because the mean of its divisors is an integer number (20690970).

Almost surely, 2^41381939 is an apocalyptic number.

41381939 is a deficient number, since it is larger than the sum of its proper divisors (1).

41381939 is an equidigital number, since it uses as much as digits as its factorization.

41381939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 41381939 is about 6432.8795263086. The cubic root of 41381939 is about 345.8891550221.

Subtracting 41381939 from its reverse (93918314), we obtain a triangular number (52536375 = T₁₀₂₅₀).

The spelling of 41381939 in words is "forty-one million, three hundred eighty-one thousand, nine hundred thirty-nine".