1048647289 has 2 divisors, whose sum is σ = 1048647290. Its totient is φ = 1048647288.

The previous prime is 1048647287. The next prime is 1048647331. The reversal of 1048647289 is 9827468401.

It is a happy number.

1048647289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653313600 + 395333689 = 25560^2 + 19883^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048647289 - 2¹ = 1048647287 is a prime.

It is a super-2 number, since 2×1048647289² = 2199322273454099042, which contains 22 as substring.

Together with 1048647287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1048647287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524323644 + 524323645.

It is an arithmetic number, because the mean of its divisors is an integer number (524323645).

Almost surely, 2^1048647289 is an apocalyptic number.

It is an amenable number.

1048647289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048647289 is an equidigital number, since it uses as much as digits as its factorization.

1048647289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 1048647289 is about 32382.8239812404. The cubic root of 1048647289 is about 1015.9596960602.

It can be divided in two parts, 10486 and 47289, that added together give a palindrome (57775).

The spelling of 1048647289 in words is "one billion, forty-eight million, six hundred forty-seven thousand, two hundred eighty-nine".