1048647489 has 16 divisors (see below), whose sum is σ = 1408223232. Its totient is φ = 694103168.

The previous prime is 1048647473. The next prime is 1048647497. The reversal of 1048647489 is 9847468401.

It is a cyclic number.

It is not a de Polignac number, because 1048647489 - 2⁴ = 1048647473 is a prime.

It is a super-3 number, since 3×1048647489³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1048647289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 265759 + ... + 269675.

It is an arithmetic number, because the mean of its divisors is an integer number (88013952).

Almost surely, 2^1048647489 is an apocalyptic number.

It is an amenable number.

1048647489 is a deficient number, since it is larger than the sum of its proper divisors (359575743).

1048647489 is a wasteful number, since it uses less digits than its factorization.

1048647489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 1048647489 is about 32382.8270692971. The cubic root of 1048647489 is about 1015.9597606488.

It can be divided in two parts, 10486 and 47489, that added together give a palindrome (57975).

The spelling of 1048647489 in words is "one billion, forty-eight million, six hundred forty-seven thousand, four hundred eighty-nine".