1064805337549 has 2 divisors, whose sum is σ = 1064805337550. Its totient is φ = 1064805337548.

The previous prime is 1064805337537. The next prime is 1064805337559. The reversal of 1064805337549 is 9457335084601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959384988324 + 105420349225 = 979482^2 + 324685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064805337549 - 2⁵ = 1064805337517 is a prime.

It is a super-2 number, since 2×1064805337549² (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 1064805337549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064805337559) 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, 532402668774 + 532402668775.

It is an arithmetic number, because the mean of its divisors is an integer number (532402668775).

Almost surely, 2^{1064805337549} is an apocalyptic number.

It is an amenable number.

1064805337549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064805337549 is an equidigital number, since it uses as much as digits as its factorization.

1064805337549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 1064805337549 in words is "one trillion, sixty-four billion, eight hundred five million, three hundred thirty-seven thousand, five hundred forty-nine".