4538691394828 has 12 divisors (see below), whose sum is σ = 7943756602320. Its totient is φ = 2269046651312.

The previous prime is 4538691394817. The next prime is 4538691394847. The reversal of 4538691394828 is 8284931968354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74727376 + ... + 74788087.

It is an arithmetic number, because the mean of its divisors is an integer number (661979716860).

Almost surely, 2^{4538691394828} is an apocalyptic number.

It is an amenable number.

4538691394828 is a deficient number, since it is larger than the sum of its proper divisors (3405065207492).

4538691394828 is a wasteful number, since it uses less digits than its factorization.

4538691394828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149523056 (or 149523054 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 70.

The spelling of 4538691394828 in words is "four trillion, five hundred thirty-eight billion, six hundred ninety-one million, three hundred ninety-four thousand, eight hundred twenty-eight".