1489909553 has 8 divisors (see below), whose sum is σ = 1656023616. Its totient is φ = 1328906800.

The previous prime is 1489909501. The next prime is 1489909559. The reversal of 1489909553 is 3559099841.

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 1489909553 - 2¹⁰ = 1489908529 is a prime.

It is a super-2 number, since 2×1489909553² = 4439660952241319618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1489909495 and 1489909504.

It is not an unprimeable number, because it can be changed into a prime (1489909559) 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, 1277213 + ... + 1278378.

It is an arithmetic number, because the mean of its divisors is an integer number (207002952).

Almost surely, 2^1489909553 is an apocalyptic number.

It is an amenable number.

1489909553 is a deficient number, since it is larger than the sum of its proper divisors (166114063).

1489909553 is a wasteful number, since it uses less digits than its factorization.

1489909553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555655.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The square root of 1489909553 is about 38599.3465359195. The cubic root of 1489909553 is about 1142.1416478954.

The spelling of 1489909553 in words is "one billion, four hundred eighty-nine million, nine hundred nine thousand, five hundred fifty-three".