4641163645 has 4 divisors (see below), whose sum is σ = 5569396380. Its totient is φ = 3712930912.

The previous prime is 4641163619. The next prime is 4641163651. The reversal of 4641163645 is 5463611464.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3216931524 + 1424232121 = 56718^2 + 37739^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641163645 - 2⁹ = 4641163133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4641163598 and 4641163607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464116360 + ... + 464116369.

It is an arithmetic number, because the mean of its divisors is an integer number (1392349095).

Almost surely, 2^4641163645 is an apocalyptic number.

It is an amenable number.

4641163645 is a deficient number, since it is larger than the sum of its proper divisors (928232735).

4641163645 is an equidigital number, since it uses as much as digits as its factorization.

4641163645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928232734.

The product of its digits is 207360, while the sum is 40.

The square root of 4641163645 is about 68126.0863766590. The cubic root of 4641163645 is about 1668.0496006898.

The spelling of 4641163645 in words is "four billion, six hundred forty-one million, one hundred sixty-three thousand, six hundred forty-five".