109047893 has 2 divisors, whose sum is σ = 109047894. Its totient is φ = 109047892.

The previous prime is 109047833. The next prime is 109047907. The reversal of 109047893 is 398740901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104816644 + 4231249 = 10238^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 109047893 - 2⁸ = 109047637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109047893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109047803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54523946 + 54523947.

It is an arithmetic number, because the mean of its divisors is an integer number (54523947).

Almost surely, 2^109047893 is an apocalyptic number.

It is an amenable number.

109047893 is a deficient number, since it is larger than the sum of its proper divisors (1).

109047893 is an equidigital number, since it uses as much as digits as its factorization.

109047893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 109047893 is about 10442.5999157298. The cubic root of 109047893 is about 477.7555705420.

The spelling of 109047893 in words is "one hundred nine million, forty-seven thousand, eight hundred ninety-three".