109649413 has 2 divisors, whose sum is σ = 109649414. Its totient is φ = 109649412.

The previous prime is 109649401. The next prime is 109649443. The reversal of 109649413 is 314946901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90307009 + 19342404 = 9503^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 109649413 - 2⁹ = 109648901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109649443) 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, 54824706 + 54824707.

It is an arithmetic number, because the mean of its divisors is an integer number (54824707).

Almost surely, 2^109649413 is an apocalyptic number.

It is an amenable number.

109649413 is a deficient number, since it is larger than the sum of its proper divisors (1).

109649413 is an equidigital number, since it uses as much as digits as its factorization.

109649413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 109649413 is about 10471.3615638082. The cubic root of 109649413 is about 478.6324107717.

The spelling of 109649413 in words is "one hundred nine million, six hundred forty-nine thousand, four hundred thirteen".