18932338717 has 2 divisors, whose sum is σ = 18932338718. Its totient is φ = 18932338716.

The previous prime is 18932338697. The next prime is 18932338741. The reversal of 18932338717 is 71783323981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17207930041 + 1724408676 = 131179^2 + 41526^2 .

It is a cyclic number.

It is not a de Polignac number, because 18932338717 - 2¹⁵ = 18932305949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18932338787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9466169358 + 9466169359.

It is an arithmetic number, because the mean of its divisors is an integer number (9466169359).

Almost surely, 2^18932338717 is an apocalyptic number.

It is an amenable number.

18932338717 is a deficient number, since it is larger than the sum of its proper divisors (1).

18932338717 is an equidigital number, since it uses as much as digits as its factorization.

18932338717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The spelling of 18932338717 in words is "eighteen billion, nine hundred thirty-two million, three hundred thirty-eight thousand, seven hundred seventeen".