41663979 has 24 divisors (see below), whose sum is σ = 72400640. Its totient is φ = 22554288.

The previous prime is 41663953. The next prime is 41663983. The reversal of 41663979 is 97936614.

41663979 is a `hidden beast` number, since 4 + 1 + 6 + 639 + 7 + 9 = 666.

It is not a de Polignac number, because 41663979 - 2⁷ = 41663851 is a prime.

It is a super-2 number, since 2×41663979² = 3471774292224882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (41663939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16207 + ... + 18600.

Almost surely, 2^41663979 is an apocalyptic number.

41663979 is a deficient number, since it is larger than the sum of its proper divisors (30736661).

41663979 is a wasteful number, since it uses less digits than its factorization.

41663979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34839 (or 34836 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 41663979 is about 6454.7640545569. The cubic root of 41663979 is about 346.6731829191.

The spelling of 41663979 in words is "forty-one million, six hundred sixty-three thousand, nine hundred seventy-nine".