64019841 has 16 divisors (see below), whose sum is σ = 90543744. Its totient is φ = 40097024.

The previous prime is 64019827. The next prime is 64019843. The reversal of 64019841 is 14891046.

64019841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64019841 - 2⁷ = 64019713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64019843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49495 + ... + 50771.

It is an arithmetic number, because the mean of its divisors is an integer number (5658984).

Almost surely, 2^64019841 is an apocalyptic number.

It is an amenable number.

64019841 is a deficient number, since it is larger than the sum of its proper divisors (26523903).

64019841 is a wasteful number, since it uses less digits than its factorization.

64019841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 64019841 is about 8001.2399664052. The cubic root of 64019841 is about 400.0413311459.

The spelling of 64019841 in words is "sixty-four million, nineteen thousand, eight hundred forty-one".