13067021663 has 2 divisors, whose sum is σ = 13067021664. Its totient is φ = 13067021662.

The previous prime is 13067021657. The next prime is 13067021711. The reversal of 13067021663 is 36612076031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13067021663 - 2⁴ = 13067021647 is a prime.

It is a super-2 number, since 2×13067021663² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13067021633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6533510831 + 6533510832.

It is an arithmetic number, because the mean of its divisors is an integer number (6533510832).

Almost surely, 2^13067021663 is an apocalyptic number.

13067021663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13067021663 is an equidigital number, since it uses as much as digits as its factorization.

13067021663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 13067021663 its reverse (36612076031), we get a palindrome (49679097694).

The spelling of 13067021663 in words is "thirteen billion, sixty-seven million, twenty-one thousand, six hundred sixty-three".