6416545470847 has 2 divisors, whose sum is σ = 6416545470848. Its totient is φ = 6416545470846.

The previous prime is 6416545470827. The next prime is 6416545470851. The reversal of 6416545470847 is 7480745456146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6416545470847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6416545470827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208272735423 + 3208272735424.

It is an arithmetic number, because the mean of its divisors is an integer number (3208272735424).

Almost surely, 2^{6416545470847} is an apocalyptic number.

6416545470847 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416545470847 is an equidigital number, since it uses as much as digits as its factorization.

6416545470847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90316800, while the sum is 61.

The spelling of 6416545470847 in words is "six trillion, four hundred sixteen billion, five hundred forty-five million, four hundred seventy thousand, eight hundred forty-seven".