9090908833 has 2 divisors, whose sum is σ = 9090908834. Its totient is φ = 9090908832.

The previous prime is 9090908821. The next prime is 9090908857. The reversal of 9090908833 is 3388090909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8173606464 + 917302369 = 90408^2 + 30287^2 .

It is a cyclic number.

It is not a de Polignac number, because 9090908833 - 2¹³ = 9090900641 is a prime.

It is not a weakly prime, because it can be changed into another prime (9090902833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545454416 + 4545454417.

It is an arithmetic number, because the mean of its divisors is an integer number (4545454417).

Almost surely, 2^9090908833 is an apocalyptic number.

It is an amenable number.

9090908833 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090908833 is an equidigital number, since it uses as much as digits as its factorization.

9090908833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 9090908833 is about 95346.2575720725. The cubic root of 9090908833 is about 2087.0640026866.

The spelling of 9090908833 in words is "nine billion, ninety million, nine hundred eight thousand, eight hundred thirty-three".