108644849 has 2 divisors, whose sum is σ = 108644850. Its totient is φ = 108644848.

The previous prime is 108644827. The next prime is 108644857. The reversal of 108644849 is 948446801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91546624 + 17098225 = 9568^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 108644849 - 2¹⁶ = 108579313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108644819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54322424 + 54322425.

It is an arithmetic number, because the mean of its divisors is an integer number (54322425).

Almost surely, 2^108644849 is an apocalyptic number.

It is an amenable number.

108644849 is a deficient number, since it is larger than the sum of its proper divisors (1).

108644849 is an equidigital number, since it uses as much as digits as its factorization.

108644849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 108644849 is about 10423.2839834670. The cubic root of 108644849 is about 477.1662446640.

The spelling of 108644849 in words is "one hundred eight million, six hundred forty-four thousand, eight hundred forty-nine".