1052545043789 has 2 divisors, whose sum is σ = 1052545043790. Its totient is φ = 1052545043788.

The previous prime is 1052545043783. The next prime is 1052545043833. The reversal of 1052545043789 is 9873405452501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050864863689 + 1680180100 = 1025117^2 + 40990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052545043789 is a prime.

It is a super-2 number, since 2×1052545043789² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052545043789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052545043783) 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, 526272521894 + 526272521895.

It is an arithmetic number, because the mean of its divisors is an integer number (526272521895).

Almost surely, 2^{1052545043789} is an apocalyptic number.

It is an amenable number.

1052545043789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052545043789 is an equidigital number, since it uses as much as digits as its factorization.

1052545043789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 1052545043789 in words is "one trillion, fifty-two billion, five hundred forty-five million, forty-three thousand, seven hundred eighty-nine".