417303745993 has 2 divisors, whose sum is σ = 417303745994. Its totient is φ = 417303745992.

The previous prime is 417303745987. The next prime is 417303746023. The reversal of 417303745993 is 399547303714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416086922304 + 1216823689 = 645048^2 + 34883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417303745993 is a prime.

It is not a weakly prime, because it can be changed into another prime (417303715993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208651872996 + 208651872997.

It is an arithmetic number, because the mean of its divisors is an integer number (208651872997).

Almost surely, 2^417303745993 is an apocalyptic number.

It is an amenable number.

417303745993 is a deficient number, since it is larger than the sum of its proper divisors (1).

417303745993 is an equidigital number, since it uses as much as digits as its factorization.

417303745993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 417303745993 in words is "four hundred seventeen billion, three hundred three million, seven hundred forty-five thousand, nine hundred ninety-three".