1048618689 has 8 divisors (see below), whose sum is σ = 1398330432. Its totient is φ = 698993040.

The previous prime is 1048618639. The next prime is 1048618693. The reversal of 1048618689 is 9868168401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1048618689 - 2¹⁵ = 1048585921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1048618619) 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 7 ways as a sum of consecutive naturals, for example, 16492 + ... + 48674.

It is an arithmetic number, because the mean of its divisors is an integer number (174791304).

Almost surely, 2^1048618689 is an apocalyptic number.

It is an amenable number.

1048618689 is a deficient number, since it is larger than the sum of its proper divisors (349711743).

1048618689 is a wasteful number, since it uses less digits than its factorization.

1048618689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43047.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 1048618689 is about 32382.3823861062. The cubic root of 1048618689 is about 1015.9504598083.

The spelling of 1048618689 in words is "one billion, forty-eight million, six hundred eighteen thousand, six hundred eighty-nine".