283760643217 has 2 divisors, whose sum is σ = 283760643218. Its totient is φ = 283760643216.

The previous prime is 283760643181. The next prime is 283760643223. The reversal of 283760643217 is 712346067382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162412224016 + 121348419201 = 403004^2 + 348351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283760643217 is a prime.

It is not a weakly prime, because it can be changed into another prime (283760643317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141880321608 + 141880321609.

It is an arithmetic number, because the mean of its divisors is an integer number (141880321609).

Almost surely, 2^283760643217 is an apocalyptic number.

It is an amenable number.

283760643217 is a deficient number, since it is larger than the sum of its proper divisors (1).

283760643217 is an equidigital number, since it uses as much as digits as its factorization.

283760643217 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 49.

The spelling of 283760643217 in words is "two hundred eighty-three billion, seven hundred sixty million, six hundred forty-three thousand, two hundred seventeen".