985275307399 has 2 divisors, whose sum is σ = 985275307400. Its totient is φ = 985275307398.

The previous prime is 985275307397. The next prime is 985275307417. The reversal of 985275307399 is 993703572589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985275307399 - 2¹ = 985275307397 is a prime.

Together with 985275307397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985275307397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492637653699 + 492637653700.

It is an arithmetic number, because the mean of its divisors is an integer number (492637653700).

Almost surely, 2^985275307399 is an apocalyptic number.

985275307399 is a deficient number, since it is larger than the sum of its proper divisors (1).

985275307399 is an equidigital number, since it uses as much as digits as its factorization.

985275307399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128595600, while the sum is 67.

The spelling of 985275307399 in words is "nine hundred eighty-five billion, two hundred seventy-five million, three hundred seven thousand, three hundred ninety-nine".