14268415661 has 2 divisors, whose sum is σ = 14268415662. Its totient is φ = 14268415660.

The previous prime is 14268415589. The next prime is 14268415687. The reversal of 14268415661 is 16651486241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11042857225 + 3225558436 = 105085^2 + 56794^2 .

It is a cyclic number.

It is not a de Polignac number, because 14268415661 - 2¹⁰ = 14268414637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14268415261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7134207830 + 7134207831.

It is an arithmetic number, because the mean of its divisors is an integer number (7134207831).

Almost surely, 2^14268415661 is an apocalyptic number.

It is an amenable number.

14268415661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14268415661 is an equidigital number, since it uses as much as digits as its factorization.

14268415661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The spelling of 14268415661 in words is "fourteen billion, two hundred sixty-eight million, four hundred fifteen thousand, six hundred sixty-one".