4651045643 has 4 divisors (see below), whose sum is σ = 4661640720. Its totient is φ = 4640450568.

The previous prime is 4651045621. The next prime is 4651045667. The reversal of 4651045643 is 3465401564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4651045643 - 2¹⁶ = 4650980107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4651045597 and 4651045606.

It is not an unprimeable number, because it can be changed into a prime (4651045673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296880 + ... + 5297757.

It is an arithmetic number, because the mean of its divisors is an integer number (1165410180).

Almost surely, 2^4651045643 is an apocalyptic number.

4651045643 is a deficient number, since it is larger than the sum of its proper divisors (10595077).

4651045643 is a wasteful number, since it uses less digits than its factorization.

4651045643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595076.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 4651045643 is about 68198.5750804223. The cubic root of 4651045643 is about 1669.2326357254.

The spelling of 4651045643 in words is "four billion, six hundred fifty-one million, forty-five thousand, six hundred forty-three".