4644925065 has 48 divisors (see below), whose sum is σ = 8804989440. Its totient is φ = 2246480640.

The previous prime is 4644925039. The next prime is 4644925067. The reversal of 4644925065 is 5605294464.

It is not a de Polignac number, because 4644925065 - 2¹⁸ = 4644662921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4644925065.

It is not an unprimeable number, because it can be changed into a prime (4644925067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190984 + ... + 213926.

It is an arithmetic number, because the mean of its divisors is an integer number (183437280).

Almost surely, 2^4644925065 is an apocalyptic number.

4644925065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4644925065 is a deficient number, since it is larger than the sum of its proper divisors (4160064375).

4644925065 is a wasteful number, since it uses less digits than its factorization.

4644925065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23374 (or 23371 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 4644925065 is about 68153.6870976178. The cubic root of 4644925065 is about 1668.5001012821.

The spelling of 4644925065 in words is "four billion, six hundred forty-four million, nine hundred twenty-five thousand, sixty-five".