47305770123217 has 2 divisors, whose sum is σ = 47305770123218. Its totient is φ = 47305770123216.

The previous prime is 47305770123191. The next prime is 47305770123331. The reversal of 47305770123217 is 71232107750374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46350007751056 + 955762372161 = 6808084^2 + 977631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47305770123217 is a prime.

It is not a weakly prime, because it can be changed into another prime (47305770126217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652885061608 + 23652885061609.

It is an arithmetic number, because the mean of its divisors is an integer number (23652885061609).

Almost surely, 2^{47305770123217} is an apocalyptic number.

It is an amenable number.

47305770123217 is a deficient number, since it is larger than the sum of its proper divisors (1).

47305770123217 is an equidigital number, since it uses as much as digits as its factorization.

47305770123217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 47305770123217 in words is "forty-seven trillion, three hundred five billion, seven hundred seventy million, one hundred twenty-three thousand, two hundred seventeen".