41815849 has 4 divisors (see below), whose sum is σ = 42285780. Its totient is φ = 41345920.

The previous prime is 41815831. The next prime is 41815867. The reversal of 41815849 is 94851814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94851814 = 2 ⋅47425907.

It is an interprime number because it is at equal distance from previous prime (41815831) and next prime (41815867).

It can be written as a sum of positive squares in 2 ways, for example, as 21790224 + 20025625 = 4668^2 + 4475^2 .

It is a cyclic number.

It is not a de Polignac number, because 41815849 - 2⁷ = 41815721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41815889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234832 + ... + 235009.

It is an arithmetic number, because the mean of its divisors is an integer number (10571445).

Almost surely, 2^41815849 is an apocalyptic number.

It is an amenable number.

41815849 is a deficient number, since it is larger than the sum of its proper divisors (469931).

41815849 is an equidigital number, since it uses as much as digits as its factorization.

41815849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469930.

The product of its digits is 46080, while the sum is 40.

The square root of 41815849 is about 6466.5175326446. The cubic root of 41815849 is about 347.0938933738.

The spelling of 41815849 in words is "forty-one million, eight hundred fifteen thousand, eight hundred forty-nine".