4645821628 has 12 divisors (see below), whose sum is σ = 9291643312. Its totient is φ = 1991066400.

The previous prime is 4645821581. The next prime is 4645821629. The reversal of 4645821628 is 8261285464.

4645821628 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645821629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82961073 + ... + 82961128.

Almost surely, 2^4645821628 is an apocalyptic number.

It is an amenable number.

4645821628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645821628 is a wasteful number, since it uses less digits than its factorization.

4645821628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165922212 (or 165922210 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 4645821628 is about 68160.2642893937. The cubic root of 4645821628 is about 1668.6074456201.

It can be divided in two parts, 46458 and 21628, that added together give a palindrome (68086).

The spelling of 4645821628 in words is "four billion, six hundred forty-five million, eight hundred twenty-one thousand, six hundred twenty-eight".