4451856343 has 4 divisors (see below), whose sum is σ = 4856570568. Its totient is φ = 4047142120.

The previous prime is 4451856337. The next prime is 4451856347. The reversal of 4451856343 is 3436581544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4451856343 - 2⁹ = 4451855831 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 4451856343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451856347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202357096 + ... + 202357117.

It is an arithmetic number, because the mean of its divisors is an integer number (1214142642).

Almost surely, 2^4451856343 is an apocalyptic number.

4451856343 is a deficient number, since it is larger than the sum of its proper divisors (404714225).

4451856343 is a wasteful number, since it uses less digits than its factorization.

4451856343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404714224.

The product of its digits is 691200, while the sum is 43.

The square root of 4451856343 is about 66722.2327489121. The cubic root of 4451856343 is about 1645.0548409762.

The spelling of 4451856343 in words is "four billion, four hundred fifty-one million, eight hundred fifty-six thousand, three hundred forty-three".