98563649533 has 2 divisors, whose sum is σ = 98563649534. Its totient is φ = 98563649532.

The previous prime is 98563649423. The next prime is 98563649539. The reversal of 98563649533 is 33594636589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55607770969 + 42955878564 = 235813^2 + 207258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98563649533 is a prime.

It is a super-2 number, since 2×98563649533² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98563649539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49281824766 + 49281824767.

It is an arithmetic number, because the mean of its divisors is an integer number (49281824767).

Almost surely, 2^98563649533 is an apocalyptic number.

It is an amenable number.

98563649533 is a deficient number, since it is larger than the sum of its proper divisors (1).

98563649533 is an equidigital number, since it uses as much as digits as its factorization.

98563649533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62985600, while the sum is 61.

The spelling of 98563649533 in words is "ninety-eight billion, five hundred sixty-three million, six hundred forty-nine thousand, five hundred thirty-three".