9018234961 has 2 divisors, whose sum is σ = 9018234962. Its totient is φ = 9018234960.

The previous prime is 9018234877. The next prime is 9018234971. The reversal of 9018234961 is 1694328109.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7659575361 + 1358659600 = 87519^2 + 36860^2 .

It is a cyclic number.

It is not a de Polignac number, because 9018234961 - 2⁷ = 9018234833 is a prime.

It is not a weakly prime, because it can be changed into another prime (9018234971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4509117480 + 4509117481.

It is an arithmetic number, because the mean of its divisors is an integer number (4509117481).

Almost surely, 2^9018234961 is an apocalyptic number.

It is an amenable number.

9018234961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9018234961 is an equidigital number, since it uses as much as digits as its factorization.

9018234961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9018234961 is about 94964.3878567118. The cubic root of 9018234961 is about 2081.4876993214.

The spelling of 9018234961 in words is "nine billion, eighteen million, two hundred thirty-four thousand, nine hundred sixty-one".