472845473727647 has 2 divisors, whose sum is σ = 472845473727648. Its totient is φ = 472845473727646.

The previous prime is 472845473727559. The next prime is 472845473727661. The reversal of 472845473727647 is 746727374548274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472845473727647 - 2¹⁸ = 472845473465503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472845473727667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236422736863823 + 236422736863824.

It is an arithmetic number, because the mean of its divisors is an integer number (236422736863824).

Almost surely, 2^{472845473727647} is an apocalyptic number.

472845473727647 is a deficient number, since it is larger than the sum of its proper divisors (1).

472845473727647 is an equidigital number, since it uses as much as digits as its factorization.

472845473727647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12391464960, while the sum is 77.

The spelling of 472845473727647 in words is "four hundred seventy-two trillion, eight hundred forty-five billion, four hundred seventy-three million, seven hundred twenty-seven thousand, six hundred forty-seven".