189341417 has 2 divisors, whose sum is σ = 189341418. Its totient is φ = 189341416.

The previous prime is 189341413. The next prime is 189341419. The reversal of 189341417 is 714143981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 87815641 = 10076^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 189341417 - 2² = 189341413 is a prime.

Together with 189341419, 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 (189341413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94670708 + 94670709.

It is an arithmetic number, because the mean of its divisors is an integer number (94670709).

Almost surely, 2^189341417 is an apocalyptic number.

It is an amenable number.

189341417 is a deficient number, since it is larger than the sum of its proper divisors (1).

189341417 is an equidigital number, since it uses as much as digits as its factorization.

189341417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 189341417 is about 13760.1386984289. The cubic root of 189341417 is about 574.2247063416.

The spelling of 189341417 in words is "one hundred eighty-nine million, three hundred forty-one thousand, four hundred seventeen".