18963560150069 has 2 divisors, whose sum is σ = 18963560150070. Its totient is φ = 18963560150068.

The previous prime is 18963560150033. The next prime is 18963560150077. The reversal of 18963560150069 is 96005106536981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15953553756100 + 3010006393969 = 3994190^2 + 1734937^2 .

It is an emirp because it is prime and its reverse (96005106536981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18963560150069 - 2²⁸ = 18963291714613 is a prime.

It is a super-2 number, since 2×18963560150069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18963560150669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9481780075034 + 9481780075035.

It is an arithmetic number, because the mean of its divisors is an integer number (9481780075035).

Almost surely, 2^{18963560150069} is an apocalyptic number.

It is an amenable number.

18963560150069 is a deficient number, since it is larger than the sum of its proper divisors (1).

18963560150069 is an equidigital number, since it uses as much as digits as its factorization.

18963560150069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 18963560150069 in words is "eighteen trillion, nine hundred sixty-three billion, five hundred sixty million, one hundred fifty thousand, sixty-nine".