4451642243 has 8 divisors (see below), whose sum is σ = 4530377712. Its totient is φ = 4373577216.

The previous prime is 4451642233. The next prime is 4451642333. The reversal of 4451642243 is 3422461544.

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 4451642243 - 2¹⁰ = 4451641219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451642233) 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, 154205 + ... + 180782.

It is an arithmetic number, because the mean of its divisors is an integer number (566297214).

Almost surely, 2^4451642243 is an apocalyptic number.

4451642243 is a deficient number, since it is larger than the sum of its proper divisors (78735469).

4451642243 is a wasteful number, since it uses less digits than its factorization.

4451642243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335221.

The product of its digits is 92160, while the sum is 35.

The square root of 4451642243 is about 66720.6283168856. The cubic root of 4451642243 is about 1645.0284690644.

The spelling of 4451642243 in words is "four billion, four hundred fifty-one million, six hundred forty-two thousand, two hundred forty-three".