4646513644 has 24 divisors (see below), whose sum is σ = 8618294160. Its totient is φ = 2184416256.

The previous prime is 4646513639. The next prime is 4646513681. The reversal of 4646513644 is 4463156464.

It is a self number, because there is not a number n which added to its sum of digits gives 4646513644.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35764 + ... + 102820.

It is an arithmetic number, because the mean of its divisors is an integer number (359095590).

Almost surely, 2^4646513644 is an apocalyptic number.

It is an amenable number.

4646513644 is a deficient number, since it is larger than the sum of its proper divisors (3971780516).

4646513644 is a wasteful number, since it uses less digits than its factorization.

4646513644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68097 (or 68095 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 4646513644 is about 68165.3404891371. The cubic root of 4646513644 is about 1668.6902903650.

The spelling of 4646513644 in words is "four billion, six hundred forty-six million, five hundred thirteen thousand, six hundred forty-four".