109923948109 has 4 divisors (see below), whose sum is σ = 110084891616. Its totient is φ = 109763004604.

The previous prime is 109923948103. The next prime is 109923948131. The reversal of 109923948109 is 901849329901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109923948109 - 2⁵ = 109923948077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109923948109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109923948103) 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, 80470729 + ... + 80472094.

It is an arithmetic number, because the mean of its divisors is an integer number (27521222904).

Almost surely, 2^109923948109 is an apocalyptic number.

It is an amenable number.

109923948109 is a deficient number, since it is larger than the sum of its proper divisors (160943507).

109923948109 is an equidigital number, since it uses as much as digits as its factorization.

109923948109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160943506.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The spelling of 109923948109 in words is "one hundred nine billion, nine hundred twenty-three million, nine hundred forty-eight thousand, one hundred nine".