64420011 has 12 divisors (see below), whose sum is σ = 93955888. Its totient is φ = 42529104.

The previous prime is 64419989. The next prime is 64420019. The reversal of 64420011 is 11002446.

64420011 is a `hidden beast` number, since 644 + 20 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 64420011 - 2⁹ = 64419499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64420019) 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 in 11 ways as a sum of consecutive naturals, for example, 33820 + ... + 35673.

Almost surely, 2^64420011 is an apocalyptic number.

64420011 is a deficient number, since it is larger than the sum of its proper divisors (29535877).

64420011 is a wasteful number, since it uses less digits than its factorization.

64420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69602 (or 69599 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 64420011 is about 8026.2077595836. The cubic root of 64420011 is about 400.8731157024.

Adding to 64420011 its reverse (11002446), we get a palindrome (75422457).

The spelling of 64420011 in words is "sixty-four million, four hundred twenty thousand, eleven".