418668979 has 4 divisors (see below), whose sum is σ = 443296584. Its totient is φ = 394041376.

The previous prime is 418668961. The next prime is 418668989. The reversal of 418668979 is 979866814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979866814 = 2 ⋅489933407.

It is a cyclic number.

It is not a de Polignac number, because 418668979 - 2⁵ = 418668947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (418668959) 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, 12313777 + ... + 12313810.

It is an arithmetic number, because the mean of its divisors is an integer number (110824146).

Almost surely, 2^418668979 is an apocalyptic number.

418668979 is a deficient number, since it is larger than the sum of its proper divisors (24627605).

418668979 is a wasteful number, since it uses less digits than its factorization.

418668979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24627604.

The product of its digits is 5225472, while the sum is 58.

The square root of 418668979 is about 20461.4021758041. The cubic root of 418668979 is about 748.0953026358.

The spelling of 418668979 in words is "four hundred eighteen million, six hundred sixty-eight thousand, nine hundred seventy-nine".