389217081149 has 8 divisors (see below), whose sum is σ = 419350851192. Its totient is φ = 359111024640.

The previous prime is 389217081137. The next prime is 389217081163. The reversal of 389217081149 is 941180712983.

It can be written as a sum of positive squares in 4 ways, for example, as 98392005625 + 290825075524 = 313675^2 + 539282^2 .

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 389217081149 - 2¹⁶ = 389217015613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389217081149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389217081119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6899204 + ... + 6955389.

It is an arithmetic number, because the mean of its divisors is an integer number (52418856399).

Almost surely, 2^389217081149 is an apocalyptic number.

It is an amenable number.

389217081149 is a deficient number, since it is larger than the sum of its proper divisors (30133770043).

389217081149 is a wasteful number, since it uses less digits than its factorization.

389217081149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13856767.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 389217081149 in words is "three hundred eighty-nine billion, two hundred seventeen million, eighty-one thousand, one hundred forty-nine".