109900069 has 4 divisors (see below), whose sum is σ = 109940544. Its totient is φ = 109859596.

The previous prime is 109900031. The next prime is 109900079. The reversal of 109900069 is 960009901.

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 109900069 - 2⁷ = 109899941 is a prime.

It is a super-2 number, since 2×109900069² = 24156050332409522, 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 (109900079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15847 + ... + 21700.

It is an arithmetic number, because the mean of its divisors is an integer number (27485136).

Almost surely, 2^109900069 is an apocalyptic number.

It is an amenable number.

109900069 is a deficient number, since it is larger than the sum of its proper divisors (40475).

109900069 is an equidigital number, since it uses as much as digits as its factorization.

109900069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40474.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 109900069 is about 10483.3233757239. The cubic root of 109900069 is about 478.9968473896.

The spelling of 109900069 in words is "one hundred nine million, nine hundred thousand, sixty-nine".