41749109 has 2 divisors, whose sum is σ = 41749110. Its totient is φ = 41749108.

The previous prime is 41749073. The next prime is 41749121. The reversal of 41749109 is 90194714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33466225 + 8282884 = 5785^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 41749109 - 2²⁴ = 24971893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41749129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20874554 + 20874555.

It is an arithmetic number, because the mean of its divisors is an integer number (20874555).

Almost surely, 2^41749109 is an apocalyptic number.

It is an amenable number.

41749109 is a deficient number, since it is larger than the sum of its proper divisors (1).

41749109 is an equidigital number, since it uses as much as digits as its factorization.

41749109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 41749109 is about 6461.3550436422. The cubic root of 41749109 is about 346.9091358230.

The spelling of 41749109 in words is "forty-one million, seven hundred forty-nine thousand, one hundred nine".