189693352249 has 2 divisors, whose sum is σ = 189693352250. Its totient is φ = 189693352248.

The previous prime is 189693352223. The next prime is 189693352259. The reversal of 189693352249 is 942253396981.

189693352249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184927521024 + 4765831225 = 430032^2 + 69035^2 .

It is a cyclic number.

It is not a de Polignac number, because 189693352249 - 2²⁹ = 189156481337 is a prime.

It is not a weakly prime, because it can be changed into another prime (189693352259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94846676124 + 94846676125.

It is an arithmetic number, because the mean of its divisors is an integer number (94846676125).

Almost surely, 2^189693352249 is an apocalyptic number.

It is an amenable number.

189693352249 is a deficient number, since it is larger than the sum of its proper divisors (1).

189693352249 is an equidigital number, since it uses as much as digits as its factorization.

189693352249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 61.

The spelling of 189693352249 in words is "one hundred eighty-nine billion, six hundred ninety-three million, three hundred fifty-two thousand, two hundred forty-nine".