98195218091 has 8 divisors (see below), whose sum is σ = 98790468480. Its totient is φ = 97601415552.

The previous prime is 98195218021. The next prime is 98195218109. The reversal of 98195218091 is 19081259189.

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 98195218091 - 2²² = 98191023787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98195218021) 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, 225755 + ... + 497348.

It is an arithmetic number, because the mean of its divisors is an integer number (12348808560).

Almost surely, 2^98195218091 is an apocalyptic number.

98195218091 is a deficient number, since it is larger than the sum of its proper divisors (595250389).

98195218091 is a wasteful number, since it uses less digits than its factorization.

98195218091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723925.

The product of its (nonzero) digits is 466560, while the sum is 53.

The spelling of 98195218091 in words is "ninety-eight billion, one hundred ninety-five million, two hundred eighteen thousand, ninety-one".