4243897456 has 20 divisors (see below), whose sum is σ = 8655317800. Its totient is φ = 2010267072.

The previous prime is 4243897433. The next prime is 4243897457. The reversal of 4243897456 is 6547983424.

It is a super-3 number, since 3×4243897456³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243897457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979791 + ... + 6980398.

It is an arithmetic number, because the mean of its divisors is an integer number (432765890).

Almost surely, 2^4243897456 is an apocalyptic number.

It is an amenable number.

4243897456 is an abundant number, since it is smaller than the sum of its proper divisors (4411420344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243897456 is a wasteful number, since it uses less digits than its factorization.

4243897456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960216 (or 13960210 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The square root of 4243897456 is about 65145.2028625286. The cubic root of 4243897456 is about 1619.0302401059.

The spelling of 4243897456 in words is "four billion, two hundred forty-three million, eight hundred ninety-seven thousand, four hundred fifty-six".