4321643055 has 32 divisors (see below), whose sum is σ = 7069519296. Its totient is φ = 2253548544.

The previous prime is 4321643021. The next prime is 4321643057. The reversal of 4321643055 is 5503461234.

It is not a de Polignac number, because 4321643055 - 2⁹ = 4321642543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321643057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223659 + ... + 242211.

It is an arithmetic number, because the mean of its divisors is an integer number (220922478).

Almost surely, 2^4321643055 is an apocalyptic number.

4321643055 is a deficient number, since it is larger than the sum of its proper divisors (2747876241).

4321643055 is a wasteful number, since it uses less digits than its factorization.

4321643055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 4321643055 is about 65739.2048552460. The cubic root of 4321643055 is about 1628.8570223704.

The spelling of 4321643055 in words is "four billion, three hundred twenty-one million, six hundred forty-three thousand, fifty-five".