94165909 has 2 divisors, whose sum is σ = 94165910. Its totient is φ = 94165908.

The previous prime is 94165891. The next prime is 94165921. The reversal of 94165909 is 90956149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53333809 + 40832100 = 7303^2 + 6390^2 .

It is an emirp because it is prime and its reverse (90956149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94165909 - 2⁷ = 94165781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94165949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47082954 + 47082955.

It is an arithmetic number, because the mean of its divisors is an integer number (47082955).

Almost surely, 2^94165909 is an apocalyptic number.

It is an amenable number.

94165909 is a deficient number, since it is larger than the sum of its proper divisors (1).

94165909 is an equidigital number, since it uses as much as digits as its factorization.

94165909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 94165909 is about 9703.9120461801. The cubic root of 94165909 is about 454.9509410536.

The spelling of 94165909 in words is "ninety-four million, one hundred sixty-five thousand, nine hundred nine".