41999913 has 12 divisors (see below), whose sum is σ = 60746868. Its totient is φ = 27962880.

The previous prime is 41999891. The next prime is 41999939. The reversal of 41999913 is 31999914.

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 21233664 = 4557^2 + 4608^2 .

It is not a de Polignac number, because 41999913 - 2⁶ = 41999849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41999963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5281 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (5062239).

Almost surely, 2^41999913 is an apocalyptic number.

It is an amenable number.

41999913 is a deficient number, since it is larger than the sum of its proper divisors (18746955).

41999913 is a wasteful number, since it uses less digits than its factorization.

41999913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184 (or 6181 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 41999913 is about 6480.7339862087. The cubic root of 41999913 is about 347.6024244771.

Subtracting from 41999913 its reverse (31999914), we obtain a palindrome (9999999).

The spelling of 41999913 in words is "forty-one million, nine hundred ninety-nine thousand, nine hundred thirteen".