4664079421 has 8 divisors (see below), whose sum is σ = 4989350520. Its totient is φ = 4344465408.

The previous prime is 4664079383. The next prime is 4664079439. The reversal of 4664079421 is 1249704664.

It can be written as a sum of positive squares in 4 ways, for example, as 548215396 + 4115864025 = 23414^2 + 64155^2 .

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 4664079421 - 2¹³ = 4664071229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664079491) 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, 1412566 + ... + 1415863.

It is an arithmetic number, because the mean of its divisors is an integer number (623668815).

Almost surely, 2^4664079421 is an apocalyptic number.

It is an amenable number.

4664079421 is a deficient number, since it is larger than the sum of its proper divisors (325271099).

4664079421 is a wasteful number, since it uses less digits than its factorization.

4664079421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828543.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 4664079421 is about 68294.0657817354. The cubic root of 4664079421 is about 1670.7904299617.

The spelling of 4664079421 in words is "four billion, six hundred sixty-four million, seventy-nine thousand, four hundred twenty-one".