109969441 has 2 divisors, whose sum is σ = 109969442. Its totient is φ = 109969440.

The previous prime is 109969429. The next prime is 109969459. The reversal of 109969441 is 144969901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 160000 = 10479^2 + 400^2 .

It is an emirp because it is prime and its reverse (144969901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109969441 - 2⁷ = 109969313 is a prime.

It is not a weakly prime, because it can be changed into another prime (109969411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54984720 + 54984721.

It is an arithmetic number, because the mean of its divisors is an integer number (54984721).

Almost surely, 2^109969441 is an apocalyptic number.

It is an amenable number.

109969441 is a deficient number, since it is larger than the sum of its proper divisors (1).

109969441 is an equidigital number, since it uses as much as digits as its factorization.

109969441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 109969441 is about 10486.6315373432. The cubic root of 109969441 is about 479.0976115970.

The spelling of 109969441 in words is "one hundred nine million, nine hundred sixty-nine thousand, four hundred forty-one".