1489884853 has 6 divisors (see below), whose sum is σ = 1493273174. Its totient is φ = 1486500264.

The previous prime is 1489884833. The next prime is 1489884857. The reversal of 1489884853 is 3584889841.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 787475844 + 702409009 = 28062^2 + 26503^2 .

It is not a de Polignac number, because 1489884853 - 2¹⁷ = 1489753781 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 (1489884857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 954888 + ... + 956446.

Almost surely, 2^1489884853 is an apocalyptic number.

It is an amenable number.

1489884853 is a deficient number, since it is larger than the sum of its proper divisors (3388321).

1489884853 is an frugal number, since it uses more digits than its factorization.

1489884853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 2172 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 58.

The square root of 1489884853 is about 38599.0265809904. The cubic root of 1489884853 is about 1142.1353363143.

The spelling of 1489884853 in words is "one billion, four hundred eighty-nine million, eight hundred eighty-four thousand, eight hundred fifty-three".