1489583642 has 4 divisors (see below), whose sum is σ = 2234375466. Its totient is φ = 744791820.

The previous prime is 1489583611. The next prime is 1489583647. The reversal of 1489583642 is 2463859841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2463859841 = 28277 ⋅87133.

It can be written as a sum of positive squares in only one way, i.e., 1469878921 + 19704721 = 38339^2 + 4439^2 .

It is not an unprimeable number, because it can be changed into a prime (1489583647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372395909 + ... + 372395912.

Almost surely, 2^1489583642 is an apocalyptic number.

1489583642 is a deficient number, since it is larger than the sum of its proper divisors (744791824).

1489583642 is an equidigital number, since it uses as much as digits as its factorization.

1489583642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744791823.

The product of its digits is 1658880, while the sum is 50.

The square root of 1489583642 is about 38595.1245884762. The cubic root of 1489583642 is about 1142.0583623763.

The spelling of 1489583642 in words is "one billion, four hundred eighty-nine million, five hundred eighty-three thousand, six hundred forty-two".