4805121538 has 16 divisors (see below), whose sum is σ = 8263676160. Its totient is φ = 2052756576.

The previous prime is 4805121523. The next prime is 4805121557. The reversal of 4805121538 is 8351215084.

It is a junction number, because it is equal to n+sod(n) for n = 4805121497 and 4805121506.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 543898 + ... + 552661.

It is an arithmetic number, because the mean of its divisors is an integer number (516479760).

Almost surely, 2^4805121538 is an apocalyptic number.

4805121538 is a deficient number, since it is larger than the sum of its proper divisors (3458554622).

4805121538 is a wasteful number, since it uses less digits than its factorization.

4805121538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096881.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 4805121538 is about 69318.9839654333. The cubic root of 4805121538 is about 1687.4650718550.

The spelling of 4805121538 in words is "four billion, eight hundred five million, one hundred twenty-one thousand, five hundred thirty-eight".