4506505517447 has 2 divisors, whose sum is σ = 4506505517448. Its totient is φ = 4506505517446.

The previous prime is 4506505517441. The next prime is 4506505517471. The reversal of 4506505517447 is 7447155056054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4506505517447 - 2⁸ = 4506505517191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4506505517441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253252758723 + 2253252758724.

It is an arithmetic number, because the mean of its divisors is an integer number (2253252758724).

Almost surely, 2^{4506505517447} is an apocalyptic number.

4506505517447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4506505517447 is an equidigital number, since it uses as much as digits as its factorization.

4506505517447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760000, while the sum is 53.

The spelling of 4506505517447 in words is "four trillion, five hundred six billion, five hundred five million, five hundred seventeen thousand, four hundred forty-seven".