1489168109 has 8 divisors (see below), whose sum is σ = 1749512352. Its totient is φ = 1249651440.

The previous prime is 1489168061. The next prime is 1489168123. The reversal of 1489168109 is 9018619841.

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 1489168109 - 2¹² = 1489164013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489168309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5206739 + ... + 5207024.

It is an arithmetic number, because the mean of its divisors is an integer number (218689044).

Almost surely, 2^1489168109 is an apocalyptic number.

It is an amenable number.

1489168109 is a deficient number, since it is larger than the sum of its proper divisors (260344243).

1489168109 is a wasteful number, since it uses less digits than its factorization.

1489168109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413787.

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 1489168109 is about 38589.7409812504. The cubic root of 1489168109 is about 1141.9521566199.

The spelling of 1489168109 in words is "one billion, four hundred eighty-nine million, one hundred sixty-eight thousand, one hundred nine".