193053689 has 2 divisors, whose sum is σ = 193053690. Its totient is φ = 193053688.

The previous prime is 193053673. The next prime is 193053691. The reversal of 193053689 is 986350391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 82446400 = 10517^2 + 9080^2 .

It is a cyclic number.

It is not a de Polignac number, because 193053689 - 2⁴ = 193053673 is a prime.

Together with 193053691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (193053629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96526844 + 96526845.

It is an arithmetic number, because the mean of its divisors is an integer number (96526845).

Almost surely, 2^193053689 is an apocalyptic number.

It is an amenable number.

193053689 is a deficient number, since it is larger than the sum of its proper divisors (1).

193053689 is an equidigital number, since it uses as much as digits as its factorization.

193053689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 193053689 is about 13894.3761644775. The cubic root of 193053689 is about 577.9532385153.

It can be divided in two parts, 19305 and 3689, that multiplied together give a triangular number (71216145 = T₁₁₉₃₄).

The spelling of 193053689 in words is "one hundred ninety-three million, fifty-three thousand, six hundred eighty-nine".