1308935063569 has 27 divisors (see below), whose sum is σ = 1535120796657. Its totient is φ = 1112821390464.

The previous prime is 1308935063507. The next prime is 1308935063659. The reversal of 1308935063569 is 9653605398031.

It is a happy number.

The square root of 1308935063569 is 1144087.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13435823569 + 1295499240000 = 115913^2 + 1138200^2 .

It is not a de Polignac number, because 1308935063569 - 2⁷ = 1308935063441 is a prime.

It is a super-2 number, since 2×1308935063569² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308935063269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1097178837 + ... + 1097180029.

Almost surely, 2^{1308935063569} is an apocalyptic number.

1308935063569 is the 1144087-th square number.

1308935063569 is the 572044-th centered octagonal number.

It is an amenable number.

1308935063569 is a deficient number, since it is larger than the sum of its proper divisors (226185733088).

1308935063569 is an frugal number, since it uses more digits than its factorization.

1308935063569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 1308935063569 in words is "one trillion, three hundred eight billion, nine hundred thirty-five million, sixty-three thousand, five hundred sixty-nine".