9090000559 has 2 divisors, whose sum is σ = 9090000560. Its totient is φ = 9090000558.

The previous prime is 9090000533. The next prime is 9090000607. The reversal of 9090000559 is 9550000909.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9090000559 - 2⁷ = 9090000431 is a prime.

It is a super-2 number, since 2×9090000559² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090000509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545000279 + 4545000280.

It is an arithmetic number, because the mean of its divisors is an integer number (4545000280).

Almost surely, 2^9090000559 is an apocalyptic number.

9090000559 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090000559 is an equidigital number, since it uses as much as digits as its factorization.

9090000559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 9090000559 is about 95341.4944239915. The cubic root of 9090000559 is about 2086.9944940841.

The spelling of 9090000559 in words is "nine billion, ninety million, five hundred fifty-nine", and thus it is an aban number.