18702348017 has 2 divisors, whose sum is σ = 18702348018. Its totient is φ = 18702348016.

The previous prime is 18702348013. The next prime is 18702348029. The reversal of 18702348017 is 71084320781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18042936976 + 659411041 = 134324^2 + 25679^2 .

It is a cyclic number.

It is not a de Polignac number, because 18702348017 - 2² = 18702348013 is a prime.

It is not a weakly prime, because it can be changed into another prime (18702348011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9351174008 + 9351174009.

It is an arithmetic number, because the mean of its divisors is an integer number (9351174009).

Almost surely, 2^18702348017 is an apocalyptic number.

It is an amenable number.

18702348017 is a deficient number, since it is larger than the sum of its proper divisors (1).

18702348017 is an equidigital number, since it uses as much as digits as its factorization.

18702348017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

Adding to 18702348017 its reverse (71084320781), we get a palindrome (89786668798).

The spelling of 18702348017 in words is "eighteen billion, seven hundred two million, three hundred forty-eight thousand, seventeen".