109489841 has 2 divisors, whose sum is σ = 109489842. Its totient is φ = 109489840.

The previous prime is 109489753. The next prime is 109489873. The reversal of 109489841 is 148984901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101103025 + 8386816 = 10055^2 + 2896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109489841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109489792 and 109489801.

It is not a weakly prime, because it can be changed into another prime (109485841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54744920 + 54744921.

It is an arithmetic number, because the mean of its divisors is an integer number (54744921).

Almost surely, 2^109489841 is an apocalyptic number.

It is an amenable number.

109489841 is a deficient number, since it is larger than the sum of its proper divisors (1).

109489841 is an equidigital number, since it uses as much as digits as its factorization.

109489841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 109489841 is about 10463.7393411724. The cubic root of 109489841 is about 478.4001146170.

The spelling of 109489841 in words is "one hundred nine million, four hundred eighty-nine thousand, eight hundred forty-one".