99839108456641 has 8 divisors (see below), whose sum is σ = 99893231016768. Its totient is φ = 99784999710000.

The previous prime is 99839108456629. The next prime is 99839108456669. The reversal of 99839108456641 is 14665480193899.

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 99839108456641 - 2⁵ = 99839108456609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99839108456621) 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, 11022291 + ... + 17921191.

It is an arithmetic number, because the mean of its divisors is an integer number (12486653877096).

Almost surely, 2^{99839108456641} is an apocalyptic number.

It is an amenable number.

99839108456641 is a deficient number, since it is larger than the sum of its proper divisors (54122560127).

99839108456641 is a wasteful number, since it uses less digits than its factorization.

99839108456641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906743.

The product of its (nonzero) digits is 403107840, while the sum is 73.

The spelling of 99839108456641 in words is "ninety-nine trillion, eight hundred thirty-nine billion, one hundred eight million, four hundred fifty-six thousand, six hundred forty-one".