94845409 has 2 divisors, whose sum is σ = 94845410. Its totient is φ = 94845408.

The previous prime is 94845407. The next prime is 94845433. The reversal of 94845409 is 90454849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 26832400 = 8247^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 94845409 - 2¹ = 94845407 is a prime.

Together with 94845407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (94845407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47422704 + 47422705.

It is an arithmetic number, because the mean of its divisors is an integer number (47422705).

Almost surely, 2^94845409 is an apocalyptic number.

It is an amenable number.

94845409 is a deficient number, since it is larger than the sum of its proper divisors (1).

94845409 is an equidigital number, since it uses as much as digits as its factorization.

94845409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 94845409 is about 9738.8607649971. The cubic root of 94845409 is about 456.0426261194.

The spelling of 94845409 in words is "ninety-four million, eight hundred forty-five thousand, four hundred nine".