189014747 has 2 divisors, whose sum is σ = 189014748. Its totient is φ = 189014746.

The previous prime is 189014741. The next prime is 189014767. The reversal of 189014747 is 747410981.

It is a weak prime.

It is an emirp because it is prime and its reverse (747410981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189014747 - 2⁴ = 189014731 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (189014741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94507373 + 94507374.

It is an arithmetic number, because the mean of its divisors is an integer number (94507374).

Almost surely, 2^189014747 is an apocalyptic number.

189014747 is a deficient number, since it is larger than the sum of its proper divisors (1).

189014747 is an equidigital number, since it uses as much as digits as its factorization.

189014747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 189014747 is about 13748.2634176102. The cubic root of 189014747 is about 573.8942803674.

The spelling of 189014747 in words is "one hundred eighty-nine million, fourteen thousand, seven hundred forty-seven".