4946451779844 has 135 divisors (see below), whose sum is σ = 13030446790053. Its totient is φ = 1636233517152.

The previous prime is 4946451779839. The next prime is 4946451779861. The reversal of 4946451779844 is 4489771546494.

The square root of 4946451779844 is 2224062.

It is a perfect power (a square), and thus also a powerful number.

4946451779844 is a `hidden beast` number, since 4 + 9 + 4 + 64 + 517 + 7 + 9 + 8 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1449880892100 + 3496570887744 = 1204110^2 + 1869912^2 .

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 44 ways as a sum of consecutive naturals, for example, 6285198819 + ... + 6285199605.

Almost surely, 2^{4946451779844} is an apocalyptic number.

4946451779844 is the 2224062-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4946451779844

4946451779844 is an abundant number, since it is smaller than the sum of its proper divisors (8083995010209).

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

4946451779844 is an frugal number, since it uses more digits than its factorization.

4946451779844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 949 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 4946451779844 in words is "four trillion, nine hundred forty-six billion, four hundred fifty-one million, seven hundred seventy-nine thousand, eight hundred forty-four".