1306563626649 has 8 divisors (see below), whose sum is σ = 1748240613472. Its totient is φ = 867964528800.

The previous prime is 1306563626633. The next prime is 1306563626681. The reversal of 1306563626649 is 9466263656031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306563626649 - 2⁴ = 1306563626633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306563626699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769471252 + ... + 769472949.

It is an arithmetic number, because the mean of its divisors is an integer number (218530076684).

Almost surely, 2^{1306563626649} is an apocalyptic number.

It is an amenable number.

1306563626649 is a deficient number, since it is larger than the sum of its proper divisors (441676986823).

1306563626649 is a wasteful number, since it uses less digits than its factorization.

1306563626649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538944487.

The product of its (nonzero) digits is 25194240, while the sum is 57.

The spelling of 1306563626649 in words is "one trillion, three hundred six billion, five hundred sixty-three million, six hundred twenty-six thousand, six hundred forty-nine".