1064544002539 has 2 divisors, whose sum is σ = 1064544002540. Its totient is φ = 1064544002538.

The previous prime is 1064544002479. The next prime is 1064544002569. The reversal of 1064544002539 is 9352004454601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1064544002539 - 2¹⁵ = 1064543969771 is a prime.

It is a super-2 number, since 2×1064544002539² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064544002495 and 1064544002504.

It is not a weakly prime, because it can be changed into another prime (1064544002569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532272001269 + 532272001270.

It is an arithmetic number, because the mean of its divisors is an integer number (532272001270).

Almost surely, 2^{1064544002539} is an apocalyptic number.

1064544002539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064544002539 is an equidigital number, since it uses as much as digits as its factorization.

1064544002539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1064544002539 in words is "one trillion, sixty-four billion, five hundred forty-four million, two thousand, five hundred thirty-nine".