4957812612 has 72 divisors (see below), whose sum is σ = 13281067800. Its totient is φ = 1554029568.

The previous prime is 4957812529. The next prime is 4957812631. The reversal of 4957812612 is 2162187594.

4957812612 is a `hidden beast` number, since 4 + 9 + 578 + 12 + 61 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 100280196 + 4857532416 = 10014^2 + 69696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871714 + ... + 877382.

It is an arithmetic number, because the mean of its divisors is an integer number (184459275).

Almost surely, 2^4957812612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4957812612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640533900).

4957812612 is an abundant number, since it is smaller than the sum of its proper divisors (8323255188).

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

4957812612 is a wasteful number, since it uses less digits than its factorization.

4957812612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125 (or 7120 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 4957812612 is about 70411.7363228603. The cubic root of 4957812612 is about 1705.1530622271.

The spelling of 4957812612 in words is "four billion, nine hundred fifty-seven million, eight hundred twelve thousand, six hundred twelve".