36516640009 has 2 divisors, whose sum is σ = 36516640010. Its totient is φ = 36516640008.

The previous prime is 36516640001. The next prime is 36516640021. The reversal of 36516640009 is 90004661563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33784278025 + 2732361984 = 183805^2 + 52272^2 .

It is a cyclic number.

It is not a de Polignac number, because 36516640009 - 2³ = 36516640001 is a prime.

It is not a weakly prime, because it can be changed into another prime (36516640001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18258320004 + 18258320005.

It is an arithmetic number, because the mean of its divisors is an integer number (18258320005).

Almost surely, 2^36516640009 is an apocalyptic number.

It is an amenable number.

36516640009 is a deficient number, since it is larger than the sum of its proper divisors (1).

36516640009 is an equidigital number, since it uses as much as digits as its factorization.

36516640009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 36516640009 in words is "thirty-six billion, five hundred sixteen million, six hundred forty thousand, nine".