98954819766721 has 8 divisors (see below), whose sum is σ = 99880020925704. Its totient is φ = 98030486937600.

The previous prime is 98954819766709. The next prime is 98954819766739. The reversal of 98954819766721 is 12766791845989.

It can be written as a sum of positive squares in 4 ways, for example, as 26540012890000 + 72414806876721 = 5151700^2 + 8509689^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 98954819766721 - 2⁵ = 98954819766689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98954819766791) 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, 216853480 + ... + 217309321.

It is an arithmetic number, because the mean of its divisors is an integer number (12485002615713).

Almost surely, 2^{98954819766721} is an apocalyptic number.

It is an amenable number.

98954819766721 is a deficient number, since it is larger than the sum of its proper divisors (925201158983).

98954819766721 is a wasteful number, since it uses less digits than its factorization.

98954819766721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434164931.

The product of its digits is 3292047360, while the sum is 82.

The spelling of 98954819766721 in words is "ninety-eight trillion, nine hundred fifty-four billion, eight hundred nineteen million, seven hundred sixty-six thousand, seven hundred twenty-one".