1299992535563 has 2 divisors, whose sum is σ = 1299992535564. Its totient is φ = 1299992535562.

The previous prime is 1299992535529. The next prime is 1299992535571. The reversal of 1299992535563 is 3655352999921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1299992535563 - 2²⁰ = 1299991486987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1299992535493 and 1299992535502.

It is not a weakly prime, because it can be changed into another prime (1299992535463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649996267781 + 649996267782.

It is an arithmetic number, because the mean of its divisors is an integer number (649996267782).

Almost surely, 2^{1299992535563} is an apocalyptic number.

1299992535563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299992535563 is an equidigital number, since it uses as much as digits as its factorization.

1299992535563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 177147000, while the sum is 68.

The spelling of 1299992535563 in words is "one trillion, two hundred ninety-nine billion, nine hundred ninety-two million, five hundred thirty-five thousand, five hundred sixty-three".