188990984363 has 2 divisors, whose sum is σ = 188990984364. Its totient is φ = 188990984362.

The previous prime is 188990984321. The next prime is 188990984381. The reversal of 188990984363 is 363489099881.

It is a strong prime.

It is an emirp because it is prime and its reverse (363489099881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188990984363 - 2¹² = 188990980267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188990984293 and 188990984302.

It is not a weakly prime, because it can be changed into another prime (188920984363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94495492181 + 94495492182.

It is an arithmetic number, because the mean of its divisors is an integer number (94495492182).

Almost surely, 2^188990984363 is an apocalyptic number.

188990984363 is a deficient number, since it is larger than the sum of its proper divisors (1).

188990984363 is an equidigital number, since it uses as much as digits as its factorization.

188990984363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80621568, while the sum is 68.

The spelling of 188990984363 in words is "one hundred eighty-eight billion, nine hundred ninety million, nine hundred eighty-four thousand, three hundred sixty-three".