14320621477 has 2 divisors, whose sum is σ = 14320621478.
Its totient is φ = 14320621476.
The previous prime is 14320621429. The next prime is 14320621529. The reversal of 14320621477 is 77412602341.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10532095876 + 3788525601 = 102626^2 + 61551^2
It is a cyclic number.
It is not a de Polignac number, because 14320621477 - 27 = 14320621349 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14320621417) 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, 7160310738 + 7160310739.
It is an arithmetic number, because the mean of its divisors is an integer number (7160310739).
Almost surely, 214320621477 is an apocalyptic number.
It is an amenable number.
14320621477 is a deficient number, since it is larger than the sum of its proper divisors (1).
14320621477 is an equidigital number, since it uses as much as digits as its factorization.
14320621477 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56448, while the sum is 37.
The spelling of 14320621477 in words is "fourteen billion, three hundred twenty million, six hundred twenty-one thousand, four hundred seventy-seven".