109051489 has 4 divisors (see below), whose sum is σ = 109076656. Its totient is φ = 109026324.

The previous prime is 109051463. The next prime is 109051493. The reversal of 109051489 is 984150901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984150901 = 37 ⋅26598673.

It is a cyclic number.

It is not a de Polignac number, because 109051489 - 2⁵ = 109051457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109051409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239 + ... + 15364.

It is an arithmetic number, because the mean of its divisors is an integer number (27269164).

Almost surely, 2^109051489 is an apocalyptic number.

It is an amenable number.

109051489 is a deficient number, since it is larger than the sum of its proper divisors (25167).

109051489 is an equidigital number, since it uses as much as digits as its factorization.

109051489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 109051489 is about 10442.7720936541. The cubic root of 109051489 is about 477.7608220271.

The spelling of 109051489 in words is "one hundred nine million, fifty-one thousand, four hundred eighty-nine".