1489456473 has 16 divisors (see below), whose sum is σ = 2053718016. Its totient is φ = 959199120.

The previous prime is 1489456469. The next prime is 1489456477. The reversal of 1489456473 is 3746549841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1489456469) and next prime (1489456477).

It is not a de Polignac number, because 1489456473 - 2² = 1489456469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1489456477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38136 + ... + 66582.

It is an arithmetic number, because the mean of its divisors is an integer number (128357376).

Almost surely, 2^1489456473 is an apocalyptic number.

It is an amenable number.

1489456473 is a deficient number, since it is larger than the sum of its proper divisors (564261543).

1489456473 is a wasteful number, since it uses less digits than its factorization.

1489456473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29044.

The product of its digits is 2903040, while the sum is 51.

The square root of 1489456473 is about 38593.4770783872. The cubic root of 1489456473 is about 1142.0258614481.

The spelling of 1489456473 in words is "one billion, four hundred eighty-nine million, four hundred fifty-six thousand, four hundred seventy-three".