1109739369 has 8 divisors (see below), whose sum is σ = 1481266240. Its totient is φ = 739019376.

The previous prime is 1109739361. The next prime is 1109739377. The reversal of 1109739369 is 9639379011.

It is an interprime number because it is at equal distance from previous prime (1109739361) and next prime (1109739377).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1109739369 - 2³ = 1109739361 is a prime.

It is a super-2 number, since 2×1109739369² = 2463042934217036322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109739361) 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 7 ways as a sum of consecutive naturals, for example, 198502 + ... + 204015.

It is an arithmetic number, because the mean of its divisors is an integer number (185158280).

Almost surely, 2^1109739369 is an apocalyptic number.

It is an amenable number.

1109739369 is a deficient number, since it is larger than the sum of its proper divisors (371526871).

1109739369 is an equidigital number, since it uses as much as digits as its factorization.

1109739369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403439.

The product of its (nonzero) digits is 275562, while the sum is 48.

The square root of 1109739369 is about 33312.7508470856. The cubic root of 1109739369 is about 1035.3177609590.

The spelling of 1109739369 in words is "one billion, one hundred nine million, seven hundred thirty-nine thousand, three hundred sixty-nine".