64089841 has 2 divisors, whose sum is σ = 64089842. Its totient is φ = 64089840.

The previous prime is 64089829. The next prime is 64089887. The reversal of 64089841 is 14898046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32729841 + 31360000 = 5721^2 + 5600^2 .

It is a cyclic number.

It is not a de Polignac number, because 64089841 - 2⁷ = 64089713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64089794 and 64089803.

It is not a weakly prime, because it can be changed into another prime (64089241) 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, 32044920 + 32044921.

It is an arithmetic number, because the mean of its divisors is an integer number (32044921).

Almost surely, 2^64089841 is an apocalyptic number.

It is an amenable number.

64089841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64089841 is an equidigital number, since it uses as much as digits as its factorization.

64089841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 64089841 is about 8005.6130933240. The cubic root of 64089841 is about 400.1870812379.

The spelling of 64089841 in words is "sixty-four million, eighty-nine thousand, eight hundred forty-one".