1489693239 has 6 divisors (see below), whose sum is σ = 2151779136. Its totient is φ = 993128820.

The previous prime is 1489693237. The next prime is 1489693243. The reversal of 1489693239 is 9323969841.

It is not a de Polignac number, because 1489693239 - 2¹ = 1489693237 is a prime.

It is a super-2 number, since 2×1489693239² = 4438371892644622242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489693237) 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 5 ways as a sum of consecutive naturals, for example, 82760727 + ... + 82760744.

It is an arithmetic number, because the mean of its divisors is an integer number (358629856).

Almost surely, 2^1489693239 is an apocalyptic number.

1489693239 is a deficient number, since it is larger than the sum of its proper divisors (662085897).

1489693239 is a wasteful number, since it uses less digits than its factorization.

1489693239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165521477 (or 165521474 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 1489693239 is about 38596.5443919530. The cubic root of 1489693239 is about 1142.0863708965.

The spelling of 1489693239 in words is "one billion, four hundred eighty-nine million, six hundred ninety-three thousand, two hundred thirty-nine".