9089000749 has 2 divisors, whose sum is σ = 9089000750. Its totient is φ = 9089000748.

The previous prime is 9089000737. The next prime is 9089000891. The reversal of 9089000749 is 9470009809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5322723849 + 3766276900 = 72957^2 + 61370^2 .

It is a cyclic number.

It is not a de Polignac number, because 9089000749 - 2¹¹ = 9088998701 is a prime.

It is a super-2 number, since 2×9089000749² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9089000699 and 9089000708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9089000719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4544500374 + 4544500375.

It is an arithmetic number, because the mean of its divisors is an integer number (4544500375).

Almost surely, 2^9089000749 is an apocalyptic number.

It is an amenable number.

9089000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9089000749 is an equidigital number, since it uses as much as digits as its factorization.

9089000749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9089000749 is about 95336.2509699222. The cubic root of 9089000749 is about 2086.9179750396.

The spelling of 9089000749 in words is "nine billion, eighty-nine million, seven hundred forty-nine", and thus it is an aban number.