1489391343 has 12 divisors (see below), whose sum is σ = 2346919848. Its totient is φ = 902661360.

The previous prime is 1489391341. The next prime is 1489391347. The reversal of 1489391343 is 3431939841.

1489391343 is a `hidden beast` number, since 1 + 489 + 39 + 134 + 3 = 666.

It is not a de Polignac number, because 1489391343 - 2¹ = 1489391341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489391341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7522080 + ... + 7522277.

It is an arithmetic number, because the mean of its divisors is an integer number (195576654).

Almost surely, 2^1489391343 is an apocalyptic number.

1489391343 is a deficient number, since it is larger than the sum of its proper divisors (857528505).

1489391343 is a wasteful number, since it uses less digits than its factorization.

1489391343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15044374 (or 15044371 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 1489391343 is about 38592.6332737221. The cubic root of 1489391343 is about 1142.0092152799.

The spelling of 1489391343 in words is "one billion, four hundred eighty-nine million, three hundred ninety-one thousand, three hundred forty-three".