1489233869 has 8 divisors (see below), whose sum is σ = 1524469248. Its totient is φ = 1454146480.

The previous prime is 1489233859. The next prime is 1489233871. The reversal of 1489233869 is 9683329841.

It is a happy number.

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 1489233869 - 2¹² = 1489229773 is a prime.

It is a super-2 number, since 2×1489233869² = 4435635033153418322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1489233869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489233859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16502 + ... + 57015.

It is an arithmetic number, because the mean of its divisors is an integer number (190558656).

Almost surely, 2^1489233869 is an apocalyptic number.

It is an amenable number.

1489233869 is a deficient number, since it is larger than the sum of its proper divisors (35235379).

1489233869 is an equidigital number, since it uses as much as digits as its factorization.

1489233869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73995.

The product of its digits is 2239488, while the sum is 53.

The square root of 1489233869 is about 38590.5930117691. The cubic root of 1489233869 is about 1141.9689654829.

The spelling of 1489233869 in words is "one billion, four hundred eighty-nine million, two hundred thirty-three thousand, eight hundred sixty-nine".