14052705661 has 2 divisors, whose sum is σ = 14052705662. Its totient is φ = 14052705660.

The previous prime is 14052705659. The next prime is 14052705673. The reversal of 14052705661 is 16650725041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10755764100 + 3296941561 = 103710^2 + 57419^2 .

It is a cyclic number.

It is not a de Polignac number, because 14052705661 - 2¹ = 14052705659 is a prime.

Together with 14052705659, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14052705661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14052705361) 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, 7026352830 + 7026352831.

It is an arithmetic number, because the mean of its divisors is an integer number (7026352831).

Almost surely, 2^14052705661 is an apocalyptic number.

It is an amenable number.

14052705661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14052705661 is an equidigital number, since it uses as much as digits as its factorization.

14052705661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 14052705661 in words is "fourteen billion, fifty-two million, seven hundred five thousand, six hundred sixty-one".