188883263189 has 2 divisors, whose sum is σ = 188883263190. Its totient is φ = 188883263188.

The previous prime is 188883263117. The next prime is 188883263237. The reversal of 188883263189 is 981362388881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146865232900 + 42018030289 = 383230^2 + 204983^2 .

It is a cyclic number.

It is not a de Polignac number, because 188883263189 - 2³² = 184588295893 is a prime.

It is a super-2 number, since 2×188883263189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188883263489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94441631594 + 94441631595.

It is an arithmetic number, because the mean of its divisors is an integer number (94441631595).

Almost surely, 2^188883263189 is an apocalyptic number.

It is an amenable number.

188883263189 is a deficient number, since it is larger than the sum of its proper divisors (1).

188883263189 is an equidigital number, since it uses as much as digits as its factorization.

188883263189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 65.

The spelling of 188883263189 in words is "one hundred eighty-eight billion, eight hundred eighty-three million, two hundred sixty-three thousand, one hundred eighty-nine".