109863846421 has 8 divisors (see below), whose sum is σ = 125607124544. Its totient is φ = 94132679040.

The previous prime is 109863846419. The next prime is 109863846431. The reversal of 109863846421 is 124648368901.

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 109863846421 - 2¹ = 109863846419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109863846401) 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, 3008235 + ... + 3044536.

It is an arithmetic number, because the mean of its divisors is an integer number (15700890568).

Almost surely, 2^109863846421 is an apocalyptic number.

It is an amenable number.

109863846421 is a deficient number, since it is larger than the sum of its proper divisors (15743278123).

109863846421 is an equidigital number, since it uses as much as digits as its factorization.

109863846421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055371.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 109863846421 in words is "one hundred nine billion, eight hundred sixty-three million, eight hundred forty-six thousand, four hundred twenty-one".