189314428018343 has 2 divisors, whose sum is σ = 189314428018344. Its totient is φ = 189314428018342.

The previous prime is 189314428018277. The next prime is 189314428018361. The reversal of 189314428018343 is 343810824413981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189314428018343 - 2¹² = 189314428014247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189314428018643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94657214009171 + 94657214009172.

It is an arithmetic number, because the mean of its divisors is an integer number (94657214009172).

Almost surely, 2^{189314428018343} is an apocalyptic number.

189314428018343 is a deficient number, since it is larger than the sum of its proper divisors (1).

189314428018343 is an equidigital number, since it uses as much as digits as its factorization.

189314428018343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 189314428018343 in words is "one hundred eighty-nine trillion, three hundred fourteen billion, four hundred twenty-eight million, eighteen thousand, three hundred forty-three".