14002666261 has 2 divisors, whose sum is σ = 14002666262. Its totient is φ = 14002666260.

The previous prime is 14002666259. The next prime is 14002666283. The reversal of 14002666261 is 16266620041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13597892100 + 404774161 = 116610^2 + 20119^2 .

It is a cyclic number.

It is not a de Polignac number, because 14002666261 - 2¹ = 14002666259 is a prime.

Together with 14002666259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14002666231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7001333130 + 7001333131.

It is an arithmetic number, because the mean of its divisors is an integer number (7001333131).

Almost surely, 2^14002666261 is an apocalyptic number.

It is an amenable number.

14002666261 is a deficient number, since it is larger than the sum of its proper divisors (1).

14002666261 is an equidigital number, since it uses as much as digits as its factorization.

14002666261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 14002666261 in words is "fourteen billion, two million, six hundred sixty-six thousand, two hundred sixty-one".