13955660567 has 2 divisors, whose sum is σ = 13955660568. Its totient is φ = 13955660566.

The previous prime is 13955660513. The next prime is 13955660591. The reversal of 13955660567 is 76506655931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13955660567 - 2⁸ = 13955660311 is a prime.

It is a super-2 number, since 2×13955660567² (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 (13955660267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6977830283 + 6977830284.

It is an arithmetic number, because the mean of its divisors is an integer number (6977830284).

Almost surely, 2^13955660567 is an apocalyptic number.

13955660567 is a deficient number, since it is larger than the sum of its proper divisors (1).

13955660567 is an equidigital number, since it uses as much as digits as its factorization.

13955660567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103000, while the sum is 53.

The spelling of 13955660567 in words is "thirteen billion, nine hundred fifty-five million, six hundred sixty thousand, five hundred sixty-seven".