109453769 has 4 divisors (see below), whose sum is σ = 115892244. Its totient is φ = 103015296.

The previous prime is 109453753. The next prime is 109453783. The reversal of 109453769 is 967354901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967354901 = 73 ⋅13251437.

It can be written as a sum of positive squares in 2 ways, for example, as 46854025 + 62599744 = 6845^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 109453769 - 2⁴ = 109453753 is a prime.

It is a super-2 number, since 2×109453769² = 23960255096610722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109453739) 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, 3219212 + ... + 3219245.

It is an arithmetic number, because the mean of its divisors is an integer number (28973061).

Almost surely, 2^109453769 is an apocalyptic number.

It is an amenable number.

109453769 is a deficient number, since it is larger than the sum of its proper divisors (6438475).

109453769 is an equidigital number, since it uses as much as digits as its factorization.

109453769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438474.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 109453769 is about 10462.0155323915. The cubic root of 109453769 is about 478.3475717075.

The spelling of 109453769 in words is "one hundred nine million, four hundred fifty-three thousand, seven hundred sixty-nine".