14728822127021 has 2 divisors, whose sum is σ = 14728822127022. Its totient is φ = 14728822127020.

The previous prime is 14728822126987. The next prime is 14728822127029. The reversal of 14728822127021 is 12072122882741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10170550156900 + 4558271970121 = 3189130^2 + 2135011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14728822127021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14728822127029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364411063510 + 7364411063511.

It is an arithmetic number, because the mean of its divisors is an integer number (7364411063511).

Almost surely, 2^{14728822127021} is an apocalyptic number.

It is an amenable number.

14728822127021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728822127021 is an equidigital number, since it uses as much as digits as its factorization.

14728822127021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 14728822127021 in words is "fourteen trillion, seven hundred twenty-eight billion, eight hundred twenty-two million, one hundred twenty-seven thousand, twenty-one".