13065915671 has 2 divisors, whose sum is σ = 13065915672. Its totient is φ = 13065915670.

The previous prime is 13065915659. The next prime is 13065915673. The reversal of 13065915671 is 17651956031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13065915671 is a prime.

It is a Sophie Germain prime.

Together with 13065915673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13065915673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6532957835 + 6532957836.

It is an arithmetic number, because the mean of its divisors is an integer number (6532957836).

Almost surely, 2^13065915671 is an apocalyptic number.

13065915671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13065915671 is an equidigital number, since it uses as much as digits as its factorization.

13065915671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 13065915671 in words is "thirteen billion, sixty-five million, nine hundred fifteen thousand, six hundred seventy-one".