4861816709052 has 48 divisors (see below), whose sum is σ = 11680791202080. Its totient is φ = 1572751878912.

The previous prime is 4861816709039. The next prime is 4861816709053. The reversal of 4861816709052 is 2509076181684.

It is a junction number, because it is equal to n+sod(n) for n = 4861816708983 and 4861816709001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861816709053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13901883 + ... + 14247314.

It is an arithmetic number, because the mean of its divisors is an integer number (243349816710).

Almost surely, 2^{4861816709052} is an apocalyptic number.

It is an amenable number.

4861816709052 is an abundant number, since it is smaller than the sum of its proper divisors (6818974493028).

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

4861816709052 is a wasteful number, since it uses less digits than its factorization.

4861816709052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28149630 (or 28149628 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 4861816709052 in words is "four trillion, eight hundred sixty-one billion, eight hundred sixteen million, seven hundred nine thousand, fifty-two".