109748869 has 4 divisors (see below), whose sum is σ = 110814496. Its totient is φ = 108683244.

The previous prime is 109748861. The next prime is 109748911. The reversal of 109748869 is 968847901.

It is a happy number.

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 109748869 - 2³ = 109748861 is a prime.

It is a super-2 number, since 2×109748869² = 24089628493558322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109748861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532659 + ... + 532864.

It is an arithmetic number, because the mean of its divisors is an integer number (27703624).

Almost surely, 2^109748869 is an apocalyptic number.

It is an amenable number.

109748869 is a deficient number, since it is larger than the sum of its proper divisors (1065627).

109748869 is a wasteful number, since it uses less digits than its factorization.

109748869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065626.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 109748869 is about 10476.1094400545. The cubic root of 109748869 is about 478.7770793673. Note that the first 3 decimals are identical.

The spelling of 109748869 in words is "one hundred nine million, seven hundred forty-eight thousand, eight hundred sixty-nine".