98313635561 has 16 divisors (see below), whose sum is σ = 104432759568. Its totient is φ = 92232192000.

The previous prime is 98313635479. The next prime is 98313635627. The reversal of 98313635561 is 16553631389.

It can be written as a sum of positive squares in 8 ways, for example, as 34547285161 + 63766350400 = 185869^2 + 252520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98313635561 is a prime.

It is a super-2 number, since 2×98313635561² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98313631561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10991351 + ... + 11000291.

It is an arithmetic number, because the mean of its divisors is an integer number (6527047473).

Almost surely, 2^98313635561 is an apocalyptic number.

It is an amenable number.

98313635561 is a deficient number, since it is larger than the sum of its proper divisors (6119124007).

98313635561 is a wasteful number, since it uses less digits than its factorization.

98313635561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972.

The product of its digits is 1749600, while the sum is 50.

The spelling of 98313635561 in words is "ninety-eight billion, three hundred thirteen million, six hundred thirty-five thousand, five hundred sixty-one".