98109513217 has 8 divisors (see below), whose sum is σ = 101284305920. Its totient is φ = 94935343680.

The previous prime is 98109513199. The next prime is 98109513251. The reversal of 98109513217 is 71231590189.

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 98109513217 - 2³⁵ = 63749774849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98109513617) 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, 175384 + ... + 476422.

It is an arithmetic number, because the mean of its divisors is an integer number (12660538240).

Almost surely, 2^98109513217 is an apocalyptic number.

It is an amenable number.

98109513217 is a deficient number, since it is larger than the sum of its proper divisors (3174792703).

98109513217 is a wasteful number, since it uses less digits than its factorization.

98109513217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311583.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 98109513217 in words is "ninety-eight billion, one hundred nine million, five hundred thirteen thousand, two hundred seventeen".