109563673 has 2 divisors, whose sum is σ = 109563674. Its totient is φ = 109563672.

The previous prime is 109563659. The next prime is 109563677. The reversal of 109563673 is 376365901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107993664 + 1570009 = 10392^2 + 1253^2 .

It is an emirp because it is prime and its reverse (376365901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109563673 - 2⁹ = 109563161 is a prime.

It is equal to p_6279673 and since 109563673 and 6279673 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (109563677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54781836 + 54781837.

It is an arithmetic number, because the mean of its divisors is an integer number (54781837).

Almost surely, 2^109563673 is an apocalyptic number.

It is an amenable number.

109563673 is a deficient number, since it is larger than the sum of its proper divisors (1).

109563673 is an equidigital number, since it uses as much as digits as its factorization.

109563673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 109563673 is about 10467.2667396986. The cubic root of 109563673 is about 478.5076232240.

The spelling of 109563673 in words is "one hundred nine million, five hundred sixty-three thousand, six hundred seventy-three".