4581649968396 has 48 divisors (see below), whose sum is σ = 10774663939200. Its totient is φ = 1515210377472.

The previous prime is 4581649968283. The next prime is 4581649968409. The reversal of 4581649968396 is 6938699461854.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561291 + ... + 3406013.

It is an arithmetic number, because the mean of its divisors is an integer number (224472165400).

Almost surely, 2^{4581649968396} is an apocalyptic number.

It is an amenable number.

4581649968396 is an abundant number, since it is smaller than the sum of its proper divisors (6193013970804).

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

4581649968396 is a wasteful number, since it uses less digits than its factorization.

4581649968396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846358 (or 1846356 counting only the distinct ones).

The product of its digits is 2418647040, while the sum is 78.

The spelling of 4581649968396 in words is "four trillion, five hundred eighty-one billion, six hundred forty-nine million, nine hundred sixty-eight thousand, three hundred ninety-six".