1050813346789 has 2 divisors, whose sum is σ = 1050813346790. Its totient is φ = 1050813346788.

The previous prime is 1050813346733. The next prime is 1050813346819. The reversal of 1050813346789 is 9876433180501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997571476225 + 53241870564 = 998785^2 + 230742^2 .

It is an emirp because it is prime and its reverse (9876433180501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1050813346789 - 2²⁹ = 1050276475877 is a prime.

It is a super-2 number, since 2×1050813346789² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050813346589) 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, 525406673394 + 525406673395.

It is an arithmetic number, because the mean of its divisors is an integer number (525406673395).

Almost surely, 2^{1050813346789} is an apocalyptic number.

It is an amenable number.

1050813346789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050813346789 is an equidigital number, since it uses as much as digits as its factorization.

1050813346789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1050813346789 in words is "one trillion, fifty billion, eight hundred thirteen million, three hundred forty-six thousand, seven hundred eighty-nine".