4375640321 has 16 divisors (see below), whose sum is σ = 5131291200. Its totient is φ = 3694517568.

The previous prime is 4375640317. The next prime is 4375640323. The reversal of 4375640321 is 1230465734.

It is a cyclic number.

It is not a de Polignac number, because 4375640321 - 2² = 4375640317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4375640323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298271 + ... + 312596.

It is an arithmetic number, because the mean of its divisors is an integer number (320705700).

Almost surely, 2^4375640321 is an apocalyptic number.

It is an amenable number.

4375640321 is a deficient number, since it is larger than the sum of its proper divisors (755650879).

4375640321 is a wasteful number, since it uses less digits than its factorization.

4375640321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610928.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 4375640321 is about 66148.6229713061. The cubic root of 4375640321 is about 1635.6129429143.

The spelling of 4375640321 in words is "four billion, three hundred seventy-five million, six hundred forty thousand, three hundred twenty-one".