1316209905047 has 2 divisors, whose sum is σ = 1316209905048. Its totient is φ = 1316209905046.

The previous prime is 1316209905041. The next prime is 1316209905077. The reversal of 1316209905047 is 7405099026131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316209905047 - 2³⁰ = 1315136163223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316209904992 and 1316209905010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316209905041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658104952523 + 658104952524.

It is an arithmetic number, because the mean of its divisors is an integer number (658104952524).

Almost surely, 2^{1316209905047} is an apocalyptic number.

1316209905047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316209905047 is an equidigital number, since it uses as much as digits as its factorization.

1316209905047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 1316209905047 in words is "one trillion, three hundred sixteen billion, two hundred nine million, nine hundred five thousand, forty-seven".