4641564146 has 8 divisors (see below), whose sum is σ = 7093711404. Its totient is φ = 2276993680.

The previous prime is 4641564139. The next prime is 4641564149. The reversal of 4641564146 is 6414651464.

It can be written as a sum of positive squares in 2 ways, for example, as 4636111921 + 5452225 = 68089^2 + 2335^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4641564149) 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, 21894065 + ... + 21894276.

Almost surely, 2^4641564146 is an apocalyptic number.

4641564146 is a deficient number, since it is larger than the sum of its proper divisors (2452147258).

4641564146 is a wasteful number, since it uses less digits than its factorization.

4641564146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43788396.

The product of its digits is 276480, while the sum is 41.

The square root of 4641564146 is about 68129.0257232554. The cubic root of 4641564146 is about 1668.0975797721.

The spelling of 4641564146 in words is "four billion, six hundred forty-one million, five hundred sixty-four thousand, one hundred forty-six".