814223316547 has 2 divisors, whose sum is σ = 814223316548. Its totient is φ = 814223316546.

The previous prime is 814223316479. The next prime is 814223316593. The reversal of 814223316547 is 745613322418.

It is an a-pointer prime, because the next prime (814223316593) can be obtained adding 814223316547 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814223316547 - 2³¹ = 812075832899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 814223316497 and 814223316506.

It is not a weakly prime, because it can be changed into another prime (814223311547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407111658273 + 407111658274.

It is an arithmetic number, because the mean of its divisors is an integer number (407111658274).

Almost surely, 2^814223316547 is an apocalyptic number.

814223316547 is a deficient number, since it is larger than the sum of its proper divisors (1).

814223316547 is an equidigital number, since it uses as much as digits as its factorization.

814223316547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

It can be divided in two parts, 8142233 and 16547, that added together give a triangular number (8158780 = T₄₀₃₉).

The spelling of 814223316547 in words is "eight hundred fourteen billion, two hundred twenty-three million, three hundred sixteen thousand, five hundred forty-seven".