1050519989 has 2 divisors, whose sum is σ = 1050519990. Its totient is φ = 1050519988.

The previous prime is 1050519949. The next prime is 1050520019. The reversal of 1050519989 is 9899150501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527483089 + 523036900 = 22967^2 + 22870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050519989 - 2¹⁶ = 1050454453 is a prime.

It is a super-2 number, since 2×1050519989² = 2207184494577120242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050519949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525259994 + 525259995.

It is an arithmetic number, because the mean of its divisors is an integer number (525259995).

Almost surely, 2^1050519989 is an apocalyptic number.

It is an amenable number.

1050519989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050519989 is an equidigital number, since it uses as much as digits as its factorization.

1050519989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 47.

The square root of 1050519989 is about 32411.7261033719. The cubic root of 1050519989 is about 1016.5641116416.

The spelling of 1050519989 in words is "one billion, fifty million, five hundred nineteen thousand, nine hundred eighty-nine".