4661560321 has 4 divisors (see below), whose sum is σ = 5085338544. Its totient is φ = 4237782100.

The previous prime is 4661560279. The next prime is 4661560391. The reversal of 4661560321 is 1230651664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4661560321 - 2⁷ = 4661560193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4661560391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211889095 + ... + 211889116.

It is an arithmetic number, because the mean of its divisors is an integer number (1271334636).

Almost surely, 2^4661560321 is an apocalyptic number.

It is an amenable number.

4661560321 is a deficient number, since it is larger than the sum of its proper divisors (423778223).

4661560321 is a wasteful number, since it uses less digits than its factorization.

4661560321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423778222.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4661560321 is about 68275.6202534990. The cubic root of 4661560321 is about 1670.4895741537.

The spelling of 4661560321 in words is "four billion, six hundred sixty-one million, five hundred sixty thousand, three hundred twenty-one".