9000364081 has 2 divisors, whose sum is σ = 9000364082. Its totient is φ = 9000364080.

The previous prime is 9000364063. The next prime is 9000364103. The reversal of 9000364081 is 1804630009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8650674081 + 349690000 = 93009^2 + 18700^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000364081 - 2²¹ = 8998266929 is a prime.

It is a super-2 number, since 2×9000364081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9000344081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500182040 + 4500182041.

It is an arithmetic number, because the mean of its divisors is an integer number (4500182041).

Almost surely, 2^9000364081 is an apocalyptic number.

It is an amenable number.

9000364081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000364081 is an equidigital number, since it uses as much as digits as its factorization.

9000364081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9000364081 is about 94870.2486610001. The cubic root of 9000364081 is about 2080.1118715255. Note that the first 3 decimals are identical.

The spelling of 9000364081 in words is "nine billion, three hundred sixty-four thousand, eighty-one".