894916000009 has 2 divisors, whose sum is σ = 894916000010. Its totient is φ = 894916000008.

The previous prime is 894916000001. The next prime is 894916000019. The reversal of 894916000009 is 900000619498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894916000000 + 9 = 946000^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 894916000009 - 2³ = 894916000001 is a prime.

It is not a weakly prime, because it can be changed into another prime (894916000001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447458000004 + 447458000005.

It is an arithmetic number, because the mean of its divisors is an integer number (447458000005).

Almost surely, 2^894916000009 is an apocalyptic number.

It is an amenable number.

894916000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

894916000009 is an equidigital number, since it uses as much as digits as its factorization.

894916000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 894916000009 in words is "eight hundred ninety-four billion, nine hundred sixteen million, nine", and thus it is an aban number.