98989729412863 has 2 divisors, whose sum is σ = 98989729412864. Its totient is φ = 98989729412862.

The previous prime is 98989729412831. The next prime is 98989729412881. The reversal of 98989729412863 is 36821492798989.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98989729412863 - 2⁵ = 98989729412831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98989729412803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49494864706431 + 49494864706432.

It is an arithmetic number, because the mean of its divisors is an integer number (49494864706432).

Almost surely, 2^{98989729412863} is an apocalyptic number.

98989729412863 is a deficient number, since it is larger than the sum of its proper divisors (1).

98989729412863 is an equidigital number, since it uses as much as digits as its factorization.

98989729412863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6772211712, while the sum is 85.

The spelling of 98989729412863 in words is "ninety-eight trillion, nine hundred eighty-nine billion, seven hundred twenty-nine million, four hundred twelve thousand, eight hundred sixty-three".