13660866929 has 2 divisors, whose sum is σ = 13660866930. Its totient is φ = 13660866928.

The previous prime is 13660866917. The next prime is 13660866941. The reversal of 13660866929 is 92966806631.

It is a balanced prime because it is at equal distance from previous prime (13660866917) and next prime (13660866941).

It can be written as a sum of positive squares in only one way, i.e., 13654389904 + 6477025 = 116852^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 13660866929 - 2⁸ = 13660866673 is a prime.

It is not a weakly prime, because it can be changed into another prime (13660266929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6830433464 + 6830433465.

It is an arithmetic number, because the mean of its divisors is an integer number (6830433465).

Almost surely, 2^13660866929 is an apocalyptic number.

It is an amenable number.

13660866929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13660866929 is an equidigital number, since it uses as much as digits as its factorization.

13660866929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 13660866929 in words is "thirteen billion, six hundred sixty million, eight hundred sixty-six thousand, nine hundred twenty-nine".