14277465821 has 2 divisors, whose sum is σ = 14277465822. Its totient is φ = 14277465820.

The previous prime is 14277465781. The next prime is 14277465869. The reversal of 14277465821 is 12856477241.

14277465821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12366552025 + 1910913796 = 111205^2 + 43714^2 .

It is a cyclic number.

It is not a de Polignac number, because 14277465821 - 2³⁰ = 13203723997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14277465871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7138732910 + 7138732911.

It is an arithmetic number, because the mean of its divisors is an integer number (7138732911).

Almost surely, 2^14277465821 is an apocalyptic number.

It is an amenable number.

14277465821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14277465821 is an equidigital number, since it uses as much as digits as its factorization.

14277465821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The spelling of 14277465821 in words is "fourteen billion, two hundred seventy-seven million, four hundred sixty-five thousand, eight hundred twenty-one".