13655062991 has 2 divisors, whose sum is σ = 13655062992. Its totient is φ = 13655062990.

The previous prime is 13655062909. The next prime is 13655062999. The reversal of 13655062991 is 19926055631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13655062991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13655062999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6827531495 + 6827531496.

It is an arithmetic number, because the mean of its divisors is an integer number (6827531496).

Almost surely, 2^13655062991 is an apocalyptic number.

13655062991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13655062991 is an equidigital number, since it uses as much as digits as its factorization.

13655062991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 47.

The spelling of 13655062991 in words is "thirteen billion, six hundred fifty-five million, sixty-two thousand, nine hundred ninety-one".