1048550389 has 2 divisors, whose sum is σ = 1048550390. Its totient is φ = 1048550388.

The previous prime is 1048550383. The next prime is 1048550413. The reversal of 1048550389 is 9830558401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952216164 + 96334225 = 30858^2 + 9815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048550389 - 2⁹ = 1048549877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048550383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524275194 + 524275195.

It is an arithmetic number, because the mean of its divisors is an integer number (524275195).

Almost surely, 2^1048550389 is an apocalyptic number.

It is an amenable number.

1048550389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048550389 is an equidigital number, since it uses as much as digits as its factorization.

1048550389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1048550389 is about 32381.3277831531. The cubic root of 1048550389 is about 1015.9284019260.

The spelling of 1048550389 in words is "one billion, forty-eight million, five hundred fifty thousand, three hundred eighty-nine".