418672939 has 2 divisors, whose sum is σ = 418672940. Its totient is φ = 418672938.

The previous prime is 418672937. The next prime is 418672967. The reversal of 418672939 is 939276814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 418672939 - 2¹ = 418672937 is a prime.

Together with 418672937, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 418672892 and 418672901.

It is not a weakly prime, because it can be changed into another prime (418672937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209336469 + 209336470.

It is an arithmetic number, because the mean of its divisors is an integer number (209336470).

Almost surely, 2^418672939 is an apocalyptic number.

418672939 is a deficient number, since it is larger than the sum of its proper divisors (1).

418672939 is an equidigital number, since it uses as much as digits as its factorization.

418672939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 418672939 is about 20461.4989431371. The cubic root of 418672939 is about 748.0976612597.

The spelling of 418672939 in words is "four hundred eighteen million, six hundred seventy-two thousand, nine hundred thirty-nine".