109914869 has 2 divisors, whose sum is σ = 109914870. Its totient is φ = 109914868.

The previous prime is 109914823. The next prime is 109914881. The reversal of 109914869 is 968419901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108784900 + 1129969 = 10430^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 109914869 - 2⁸ = 109914613 is a prime.

It is a super-2 number, since 2×109914869² = 24162556854574322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109914899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54957434 + 54957435.

It is an arithmetic number, because the mean of its divisors is an integer number (54957435).

Almost surely, 2^109914869 is an apocalyptic number.

It is an amenable number.

109914869 is a deficient number, since it is larger than the sum of its proper divisors (1).

109914869 is an equidigital number, since it uses as much as digits as its factorization.

109914869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 109914869 is about 10484.0292349840. The cubic root of 109914869 is about 479.0183482409.

The spelling of 109914869 in words is "one hundred nine million, nine hundred fourteen thousand, eight hundred sixty-nine".