985275397417 has 2 divisors, whose sum is σ = 985275397418. Its totient is φ = 985275397416.

The previous prime is 985275397399. The next prime is 985275397427. The reversal of 985275397417 is 714793572589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811316334361 + 173959063056 = 900731^2 + 417084^2 .

It is a cyclic number.

It is not a de Polignac number, because 985275397417 - 2¹⁹ = 985274873129 is a prime.

It is not a weakly prime, because it can be changed into another prime (985275397427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492637698708 + 492637698709.

It is an arithmetic number, because the mean of its divisors is an integer number (492637698709).

Almost surely, 2^985275397417 is an apocalyptic number.

It is an amenable number.

985275397417 is a deficient number, since it is larger than the sum of its proper divisors (1).

985275397417 is an equidigital number, since it uses as much as digits as its factorization.

985275397417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 133358400, while the sum is 67.

The spelling of 985275397417 in words is "nine hundred eighty-five billion, two hundred seventy-five million, three hundred ninety-seven thousand, four hundred seventeen".