9005501761 has 2 divisors, whose sum is σ = 9005501762. Its totient is φ = 9005501760.

The previous prime is 9005501737. The next prime is 9005501777. The reversal of 9005501761 is 1671055009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9002404161 + 3097600 = 94881^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 9005501761 - 2⁷ = 9005501633 is a prime.

It is a super-2 number, since 2×9005501761² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9005501161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4502750880 + 4502750881.

It is an arithmetic number, because the mean of its divisors is an integer number (4502750881).

Almost surely, 2^9005501761 is an apocalyptic number.

It is an amenable number.

9005501761 is a deficient number, since it is larger than the sum of its proper divisors (1).

9005501761 is an equidigital number, since it uses as much as digits as its factorization.

9005501761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 9005501761 is about 94897.3222014194. The cubic root of 9005501761 is about 2080.5075931589.

The spelling of 9005501761 in words is "nine billion, five million, five hundred one thousand, seven hundred sixty-one".