1489789067 has 16 divisors (see below), whose sum is σ = 1717873920. Its totient is φ = 1279736832.

The previous prime is 1489789039. The next prime is 1489789123. The reversal of 1489789067 is 7609879841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489789067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1489788997 and 1489789015.

It is not an unprimeable number, because it can be changed into a prime (1489780067) 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 in 15 ways as a sum of consecutive naturals, for example, 18203 + ... + 57540.

It is an arithmetic number, because the mean of its divisors is an integer number (107367120).

Almost surely, 2^1489789067 is an apocalyptic number.

1489789067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1489789067 is a deficient number, since it is larger than the sum of its proper divisors (228084853).

1489789067 is a wasteful number, since it uses less digits than its factorization.

1489789067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75862.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 1489789067 is about 38597.7857784614. The cubic root of 1489789067 is about 1142.1108594966.

The spelling of 1489789067 in words is "one billion, four hundred eighty-nine million, seven hundred eighty-nine thousand, sixty-seven".