109906802417 has 4 divisors (see below), whose sum is σ = 109913061540. Its totient is φ = 109900543296.

The previous prime is 109906802389. The next prime is 109906802419. The reversal of 109906802417 is 714208609901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714208609901 = 38821 ⋅18397481.

It can be written as a sum of positive squares in 2 ways, for example, as 65267986576 + 44638815841 = 255476^2 + 211279^2 .

It is a cyclic number.

It is not a de Polignac number, because 109906802417 - 2¹⁸ = 109906540273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109906802419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103148 + ... + 3138365.

It is an arithmetic number, because the mean of its divisors is an integer number (27478265385).

Almost surely, 2^109906802417 is an apocalyptic number.

It is an amenable number.

109906802417 is a deficient number, since it is larger than the sum of its proper divisors (6259123).

109906802417 is an equidigital number, since it uses as much as digits as its factorization.

109906802417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259122.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 109906802417 in words is "one hundred nine billion, nine hundred six million, eight hundred two thousand, four hundred seventeen".