418243093 has 2 divisors, whose sum is σ = 418243094. Its totient is φ = 418243092.

The previous prime is 418243039. The next prime is 418243099. The reversal of 418243093 is 390342814.

Together with previous prime (418243039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368371249 + 49871844 = 19193^2 + 7062^2 .

It is a cyclic number.

It is not a de Polignac number, because 418243093 - 2¹⁷ = 418112021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418243099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209121546 + 209121547.

It is an arithmetic number, because the mean of its divisors is an integer number (209121547).

Almost surely, 2^418243093 is an apocalyptic number.

It is an amenable number.

418243093 is a deficient number, since it is larger than the sum of its proper divisors (1).

418243093 is an equidigital number, since it uses as much as digits as its factorization.

418243093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 418243093 is about 20450.9924698045. The cubic root of 418243093 is about 747.8415529155.

The spelling of 418243093 in words is "four hundred eighteen million, two hundred forty-three thousand, ninety-three".