109841204929 has 3 divisors (see below), whose sum is σ = 109841536353. Its totient is φ = 109840873506.

The previous prime is 109841204927. The next prime is 109841204947. The reversal of 109841204929 is 929402148901.

The square root of 109841204929 is 331423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 109841204929 - 2¹ = 109841204927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109841204927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 165712 + ... + 497134.

It is an arithmetic number, because the mean of its divisors is an integer number (36613845451).

Almost surely, 2^109841204929 is an apocalyptic number.

109841204929 is the 331423-rd square number.

109841204929 is the 165712-nd centered octagonal number.

It is an amenable number.

109841204929 is a deficient number, since it is larger than the sum of its proper divisors (331424).

109841204929 is an frugal number, since it uses more digits than its factorization.

109841204929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662846 (or 331423 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

Multiplying 109841204929 by its sum of digits (49), we get a square (5382219041521 = 2319961²).

The spelling of 109841204929 in words is "one hundred nine billion, eight hundred forty-one million, two hundred four thousand, nine hundred twenty-nine".