109948199 has 4 divisors (see below), whose sum is σ = 110648664. Its totient is φ = 109247736.

The previous prime is 109948177. The next prime is 109948207. The reversal of 109948199 is 991849901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109948199 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 (109948109) 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, 349997 + ... + 350310.

It is an arithmetic number, because the mean of its divisors is an integer number (27662166).

Almost surely, 2^109948199 is an apocalyptic number.

109948199 is a deficient number, since it is larger than the sum of its proper divisors (700465).

109948199 is an equidigital number, since it uses as much as digits as its factorization.

109948199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700464.

The product of its (nonzero) digits is 209952, while the sum is 50.

The square root of 109948199 is about 10485.6186751188. The cubic root of 109948199 is about 479.0667616727.

The spelling of 109948199 in words is "one hundred nine million, nine hundred forty-eight thousand, one hundred ninety-nine".