188033929133 has 2 divisors, whose sum is σ = 188033929134. Its totient is φ = 188033929132.

The previous prime is 188033929121. The next prime is 188033929157. The reversal of 188033929133 is 331929330881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166299208804 + 21734720329 = 407798^2 + 147427^2 .

It is a cyclic number.

It is not a de Polignac number, because 188033929133 - 2⁴ = 188033929117 is a prime.

It is a super-2 number, since 2×188033929133² (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 (188033929333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94016964566 + 94016964567.

It is an arithmetic number, because the mean of its divisors is an integer number (94016964567).

Almost surely, 2^188033929133 is an apocalyptic number.

It is an amenable number.

188033929133 is a deficient number, since it is larger than the sum of its proper divisors (1).

188033929133 is an equidigital number, since it uses as much as digits as its factorization.

188033929133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 188033929133 in words is "one hundred eighty-eight billion, thirty-three million, nine hundred twenty-nine thousand, one hundred thirty-three".