109650641 has 2 divisors, whose sum is σ = 109650642. Its totient is φ = 109650640.

The previous prime is 109650623. The next prime is 109650649. The reversal of 109650641 is 146056901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 3478225 = 10304^2 + 1865^2 .

It is an emirp because it is prime and its reverse (146056901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109650641 - 2¹⁴ = 109634257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109650598 and 109650607.

It is not a weakly prime, because it can be changed into another prime (109650649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54825320 + 54825321.

It is an arithmetic number, because the mean of its divisors is an integer number (54825321).

Almost surely, 2^109650641 is an apocalyptic number.

It is an amenable number.

109650641 is a deficient number, since it is larger than the sum of its proper divisors (1).

109650641 is an equidigital number, since it uses as much as digits as its factorization.

109650641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109650641 is about 10471.4201997628. The cubic root of 109650641 is about 478.6341975525.

The spelling of 109650641 in words is "one hundred nine million, six hundred fifty thousand, six hundred forty-one".