418328069 has 2 divisors, whose sum is σ = 418328070. Its totient is φ = 418328068.

The previous prime is 418328047. The next prime is 418328077. The reversal of 418328069 is 960823814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417711844 + 616225 = 20438^2 + 785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418328069 is a prime.

It is a super-2 number, since 2×418328069² = 349996746626537522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418328039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209164034 + 209164035.

It is an arithmetic number, because the mean of its divisors is an integer number (209164035).

Almost surely, 2^418328069 is an apocalyptic number.

It is an amenable number.

418328069 is a deficient number, since it is larger than the sum of its proper divisors (1).

418328069 is an equidigital number, since it uses as much as digits as its factorization.

418328069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 418328069 is about 20453.0699162742. The cubic root of 418328069 is about 747.8921967329.

The spelling of 418328069 in words is "four hundred eighteen million, three hundred twenty-eight thousand, sixty-nine".