4064513221 has 8 divisors (see below), whose sum is σ = 4312376064. Its totient is φ = 3817625280.

The previous prime is 4064513191. The next prime is 4064513239. The reversal of 4064513221 is 1223154604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4064513221 - 2⁹ = 4064512709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4064513221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064511221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235125 + ... + 251818.

It is an arithmetic number, because the mean of its divisors is an integer number (539047008).

Almost surely, 2^4064513221 is an apocalyptic number.

It is an amenable number.

4064513221 is a deficient number, since it is larger than the sum of its proper divisors (247862843).

4064513221 is a wasteful number, since it uses less digits than its factorization.

4064513221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487451.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4064513221 is about 63753.5349686588. The cubic root of 4064513221 is about 1595.8896084527.

Adding to 4064513221 its reverse (1223154604), we get a palindrome (5287667825).

The spelling of 4064513221 in words is "four billion, sixty-four million, five hundred thirteen thousand, two hundred twenty-one".