1489467643 has 4 divisors (see below), whose sum is σ = 1497696928. Its totient is φ = 1481238360.

The previous prime is 1489467611. The next prime is 1489467673. The reversal of 1489467643 is 3467649841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1489467643 - 2⁵ = 1489467611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489467673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4114371 + ... + 4114732.

It is an arithmetic number, because the mean of its divisors is an integer number (374424232).

Almost surely, 2^1489467643 is an apocalyptic number.

1489467643 is a deficient number, since it is larger than the sum of its proper divisors (8229285).

1489467643 is an equidigital number, since it uses as much as digits as its factorization.

1489467643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229284.

The product of its digits is 3483648, while the sum is 52.

The square root of 1489467643 is about 38593.6217916899. The cubic root of 1489467643 is about 1142.0287162695.

The spelling of 1489467643 in words is "one billion, four hundred eighty-nine million, four hundred sixty-seven thousand, six hundred forty-three".