4552668421 has 8 divisors (see below), whose sum is σ = 5251677120. Its totient is φ = 3865816608.

The previous prime is 4552668311. The next prime is 4552668437. The reversal of 4552668421 is 1248662554.

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 4552668421 - 2²⁹ = 4015797509 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 (4552668481) 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, 3038416 + ... + 3039913.

It is an arithmetic number, because the mean of its divisors is an integer number (656459640).

Almost surely, 2^4552668421 is an apocalyptic number.

It is an amenable number.

4552668421 is a deficient number, since it is larger than the sum of its proper divisors (699008699).

4552668421 is a wasteful number, since it uses less digits than its factorization.

4552668421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078443.

The product of its digits is 460800, while the sum is 43.

The square root of 4552668421 is about 67473.4645694142. The cubic root of 4552668421 is about 1657.3796687515.

The spelling of 4552668421 in words is "four billion, five hundred fifty-two million, six hundred sixty-eight thousand, four hundred twenty-one".