4635643573 has 4 divisors (see below), whose sum is σ = 5057065728. Its totient is φ = 4214221420.

The previous prime is 4635643547. The next prime is 4635643613. The reversal of 4635643573 is 3753465364.

It is a happy number.

4635643573 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-4635643573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635643513) 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, 210711061 + ... + 210711082.

It is an arithmetic number, because the mean of its divisors is an integer number (1264266432).

Almost surely, 2^4635643573 is an apocalyptic number.

It is an amenable number.

4635643573 is a deficient number, since it is larger than the sum of its proper divisors (421422155).

4635643573 is a wasteful number, since it uses less digits than its factorization.

4635643573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421422154.

The product of its digits is 2721600, while the sum is 46.

The square root of 4635643573 is about 68085.5606791925. The cubic root of 4635643573 is about 1667.3880276091.

The spelling of 4635643573 in words is "four billion, six hundred thirty-five million, six hundred forty-three thousand, five hundred seventy-three".