47064916817 has 2 divisors, whose sum is σ = 47064916818. Its totient is φ = 47064916816.

The previous prime is 47064916799. The next prime is 47064916831. The reversal of 47064916817 is 71861946074.

47064916817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25242536641 + 21822380176 = 158879^2 + 147724^2 .

It is a cyclic number.

It is not a de Polignac number, because 47064916817 - 2²⁶ = 46997807953 is a prime.

It is a super-2 number, since 2×47064916817² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47064916867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23532458408 + 23532458409.

It is an arithmetic number, because the mean of its divisors is an integer number (23532458409).

Almost surely, 2^47064916817 is an apocalyptic number.

It is an amenable number.

47064916817 is a deficient number, since it is larger than the sum of its proper divisors (1).

47064916817 is an equidigital number, since it uses as much as digits as its factorization.

47064916817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 47064916817 in words is "forty-seven billion, sixty-four million, nine hundred sixteen thousand, eight hundred seventeen".