1489871456 has 12 divisors (see below), whose sum is σ = 2933184492. Its totient is φ = 744935712.

The previous prime is 1489871443. The next prime is 1489871473. The reversal of 1489871456 is 6541789841.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1489871398 and 1489871407.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 23279210 + ... + 23279273.

It is an arithmetic number, because the mean of its divisors is an integer number (244432041).

Almost surely, 2^1489871456 is an apocalyptic number.

1489871456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1489871456 is a deficient number, since it is larger than the sum of its proper divisors (1443313036).

1489871456 is an equidigital number, since it uses as much as digits as its factorization.

1489871456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46558493 (or 46558485 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 1489871456 is about 38598.8530399544. The cubic root of 1489871456 is about 1142.1319129552.

The spelling of 1489871456 in words is "one billion, four hundred eighty-nine million, eight hundred seventy-one thousand, four hundred fifty-six".