4651551644 has 12 divisors (see below), whose sum is σ = 8360221464. Its totient is φ = 2262916944.

The previous prime is 4651551631. The next prime is 4651551647. The reversal of 4651551644 is 4461551564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651551647) 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 3 ways as a sum of consecutive naturals, for example, 15714554 + ... + 15714849.

It is an arithmetic number, because the mean of its divisors is an integer number (696685122).

Almost surely, 2^4651551644 is an apocalyptic number.

It is an amenable number.

4651551644 is a deficient number, since it is larger than the sum of its proper divisors (3708669820).

4651551644 is a wasteful number, since it uses less digits than its factorization.

4651551644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31429444 (or 31429442 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 4651551644 is about 68202.2847417885. The cubic root of 4651551644 is about 1669.2931671141.

The spelling of 4651551644 in words is "four billion, six hundred fifty-one million, five hundred fifty-one thousand, six hundred forty-four".