18073108577 has 2 divisors, whose sum is σ = 18073108578. Its totient is φ = 18073108576.

The previous prime is 18073108553. The next prime is 18073108601. The reversal of 18073108577 is 77580137081.

It is a balanced prime because it is at equal distance from previous prime (18073108553) and next prime (18073108601).

It can be written as a sum of positive squares in only one way, i.e., 16363782241 + 1709326336 = 127921^2 + 41344^2 .

It is a cyclic number.

It is not a de Polignac number, because 18073108577 - 2²² = 18068914273 is a prime.

It is not a weakly prime, because it can be changed into another prime (18073101577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9036554288 + 9036554289.

It is an arithmetic number, because the mean of its divisors is an integer number (9036554289).

Almost surely, 2^18073108577 is an apocalyptic number.

It is an amenable number.

18073108577 is a deficient number, since it is larger than the sum of its proper divisors (1).

18073108577 is an equidigital number, since it uses as much as digits as its factorization.

18073108577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 47.

The spelling of 18073108577 in words is "eighteen billion, seventy-three million, one hundred eight thousand, five hundred seventy-seven".