189314465889 has 8 divisors (see below), whose sum is σ = 253215564480. Its totient is φ = 125811505616.

The previous prime is 189314465863. The next prime is 189314465897. The reversal of 189314465889 is 988564413981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189314465889 - 2⁷ = 189314465761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189314465819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99533469 + ... + 99535370.

It is an arithmetic number, because the mean of its divisors is an integer number (31651945560).

Almost surely, 2^189314465889 is an apocalyptic number.

It is an amenable number.

189314465889 is a deficient number, since it is larger than the sum of its proper divisors (63901098591).

189314465889 is a wasteful number, since it uses less digits than its factorization.

189314465889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199069159.

The product of its digits is 59719680, while the sum is 66.

The spelling of 189314465889 in words is "one hundred eighty-nine billion, three hundred fourteen million, four hundred sixty-five thousand, eight hundred eighty-nine".