36618023089 has 2 divisors, whose sum is σ = 36618023090. Its totient is φ = 36618023088.

The previous prime is 36618023077. The next prime is 36618023111. The reversal of 36618023089 is 98032081663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32060693025 + 4557330064 = 179055^2 + 67508^2 .

It is a cyclic number.

It is not a de Polignac number, because 36618023089 - 2²¹ = 36615925937 is a prime.

It is a super-2 number, since 2×36618023089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36618023009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18309011544 + 18309011545.

It is an arithmetic number, because the mean of its divisors is an integer number (18309011545).

Almost surely, 2^36618023089 is an apocalyptic number.

It is an amenable number.

36618023089 is a deficient number, since it is larger than the sum of its proper divisors (1).

36618023089 is an equidigital number, since it uses as much as digits as its factorization.

36618023089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 36618023089 in words is "thirty-six billion, six hundred eighteen million, twenty-three thousand, eighty-nine".