985094397513 has 6 divisors (see below), whose sum is σ = 1422914129754. Its totient is φ = 656729598336.

The previous prime is 985094397503. The next prime is 985094397523. The reversal of 985094397513 is 315793490589.

985094397513 is a `hidden beast` number, since 9 + 8 + 509 + 43 + 9 + 75 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (985094397503) and next prime (985094397523).

It can be written as a sum of positive squares in only one way, i.e., 927392112144 + 57702285369 = 963012^2 + 240213^2 .

It is not a de Polignac number, because 985094397513 - 2⁵ = 985094397481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985094397503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54727466520 + ... + 54727466537.

It is an arithmetic number, because the mean of its divisors is an integer number (237152354959).

Almost surely, 2^985094397513 is an apocalyptic number.

It is an amenable number.

985094397513 is a deficient number, since it is larger than the sum of its proper divisors (437819732241).

985094397513 is a wasteful number, since it uses less digits than its factorization.

985094397513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109454933063 (or 109454933060 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 985094397513 in words is "nine hundred eighty-five billion, ninety-four million, three hundred ninety-seven thousand, five hundred thirteen".