109948869 has 6 divisors (see below), whose sum is σ = 158815046. Its totient is φ = 73299240.

The previous prime is 109948841. The next prime is 109948873. The reversal of 109948869 is 968849901.

109948869 is a `hidden beast` number, since 10 + 99 + 488 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106193025 + 3755844 = 10305^2 + 1938^2 .

It is not a de Polignac number, because 109948869 - 2¹⁷ = 109817797 is a prime.

It is a super-2 number, since 2×109948869² = 24177507588758322, 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 (109948669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6108262 + ... + 6108279.

Almost surely, 2^109948869 is an apocalyptic number.

It is an amenable number.

109948869 is a deficient number, since it is larger than the sum of its proper divisors (48866177).

109948869 is a wasteful number, since it uses less digits than its factorization.

109948869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216547 (or 12216544 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 109948869 is about 10485.6506235903. The cubic root of 109948869 is about 479.0677347796.

The spelling of 109948869 in words is "one hundred nine million, nine hundred forty-eight thousand, eight hundred sixty-nine".