4643632065 has 16 divisors (see below), whose sum is σ = 7438265856. Its totient is φ = 2473785600.

The previous prime is 4643632051. The next prime is 4643632067. The reversal of 4643632065 is 5602363464.

It is not a de Polignac number, because 4643632065 - 2¹² = 4643627969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4643632067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162481 + ... + 188910.

It is an arithmetic number, because the mean of its divisors is an integer number (464891616).

Almost surely, 2^4643632065 is an apocalyptic number.

It is an amenable number.

4643632065 is a deficient number, since it is larger than the sum of its proper divisors (2794633791).

4643632065 is a wasteful number, since it uses less digits than its factorization.

4643632065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352280.

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 4643632065 is about 68144.2005235955. The cubic root of 4643632065 is about 1668.3452677226.

The spelling of 4643632065 in words is "four billion, six hundred forty-three million, six hundred thirty-two thousand, sixty-five".