98564805313 has 8 divisors (see below), whose sum is σ = 106610239400. Its totient is φ = 90585589248.

The previous prime is 98564805301. The next prime is 98564805323. The reversal of 98564805313 is 31350846589.

It can be written as a sum of positive squares in 4 ways, for example, as 17995685904 + 80569119409 = 134148^2 + 283847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98564805313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98564805323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16551408 + ... + 16557361.

It is an arithmetic number, because the mean of its divisors is an integer number (13326279925).

Almost surely, 2^98564805313 is an apocalyptic number.

It is an amenable number.

98564805313 is a deficient number, since it is larger than the sum of its proper divisors (8045434087).

98564805313 is a wasteful number, since it uses less digits than its factorization.

98564805313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33109011.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 98564805313 in words is "ninety-eight billion, five hundred sixty-four million, eight hundred five thousand, three hundred thirteen".