35845794217 has 2 divisors, whose sum is σ = 35845794218. Its totient is φ = 35845794216.

The previous prime is 35845794199. The next prime is 35845794247. The reversal of 35845794217 is 71249754853.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30551194521 + 5294599696 = 174789^2 + 72764^2 .

It is a cyclic number.

It is not a de Polignac number, because 35845794217 - 2³⁵ = 1486055849 is a prime.

It is not a weakly prime, because it can be changed into another prime (35845794247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17922897108 + 17922897109.

It is an arithmetic number, because the mean of its divisors is an integer number (17922897109).

Almost surely, 2^35845794217 is an apocalyptic number.

It is an amenable number.

35845794217 is a deficient number, since it is larger than the sum of its proper divisors (1).

35845794217 is an equidigital number, since it uses as much as digits as its factorization.

35845794217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 55.

The spelling of 35845794217 in words is "thirty-five billion, eight hundred forty-five million, seven hundred ninety-four thousand, two hundred seventeen".