4601521643 has 8 divisors (see below), whose sum is σ = 4637865600. Its totient is φ = 4565290048.

The previous prime is 4601521637. The next prime is 4601521681. The reversal of 4601521643 is 3461251064.

4601521643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4601521643 - 2²⁴ = 4584744427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4601529643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55103 + ... + 110631.

It is an arithmetic number, because the mean of its divisors is an integer number (579733200).

Almost surely, 2^4601521643 is an apocalyptic number.

4601521643 is a deficient number, since it is larger than the sum of its proper divisors (36343957).

4601521643 is a wasteful number, since it uses less digits than its factorization.

4601521643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56181.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4601521643 is about 67834.5166047492. The cubic root of 4601521643 is about 1663.2868590443.

The spelling of 4601521643 in words is "four billion, six hundred one million, five hundred twenty-one thousand, six hundred forty-three".