2948218561 has 8 divisors (see below), whose sum is σ = 3060743400. Its totient is φ = 2836417920.

The previous prime is 2948218541. The next prime is 2948218573. The reversal of 2948218561 is 1658128492.

It can be written as a sum of positive squares in 4 ways, for example, as 1199306161 + 1748912400 = 34631^2 + 41820^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2948218561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2948218541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 172746 + ... + 189043.

It is an arithmetic number, because the mean of its divisors is an integer number (382592925).

Almost surely, 2^2948218561 is an apocalyptic number.

It is an amenable number.

2948218561 is a deficient number, since it is larger than the sum of its proper divisors (112524839).

2948218561 is a wasteful number, since it uses less digits than its factorization.

2948218561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362099.

The product of its digits is 276480, while the sum is 46.

The square root of 2948218561 is about 54297.5005041669. The cubic root of 2948218561 is about 1433.9033917035.

The spelling of 2948218561 in words is "two billion, nine hundred forty-eight million, two hundred eighteen thousand, five hundred sixty-one".