1489229842 has 16 divisors (see below), whose sum is σ = 2352549600. Its totient is φ = 705084480.

The previous prime is 1489229803. The next prime is 1489229851. The reversal of 1489229842 is 2489229841.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81834 + ... + 98362.

It is an arithmetic number, because the mean of its divisors is an integer number (147034350).

Almost surely, 2^1489229842 is an apocalyptic number.

1489229842 is a deficient number, since it is larger than the sum of its proper divisors (863319758).

1489229842 is a wasteful number, since it uses less digits than its factorization.

1489229842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921.

The product of its digits is 663552, while the sum is 49.

The square root of 1489229842 is about 38590.5408358059. The cubic root of 1489229842 is about 1141.9679361588.

Subtracting 1489229842 from its reverse (2489229841), we obtain a palindrome (999999999).

The spelling of 1489229842 in words is "one billion, four hundred eighty-nine million, two hundred twenty-nine thousand, eight hundred forty-two".