1049006789 has 2 divisors, whose sum is σ = 1049006790. Its totient is φ = 1049006788.

The previous prime is 1049006773. The next prime is 1049006863. The reversal of 1049006789 is 9876009401.

1049006789 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., 1048658689 + 348100 = 32383^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049006789 - 2⁴ = 1049006773 is a prime.

It is a super-2 number, since 2×1049006789² = 2200830486736181042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049006389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524503394 + 524503395.

It is an arithmetic number, because the mean of its divisors is an integer number (524503395).

Almost surely, 2^1049006789 is an apocalyptic number.

It is an amenable number.

1049006789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049006789 is an equidigital number, since it uses as much as digits as its factorization.

1049006789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1049006789 is about 32388.3742876977. The cubic root of 1049006789 is about 1016.0757807804.

The spelling of 1049006789 in words is "one billion, forty-nine million, six thousand, seven hundred eighty-nine".