2891842148 has 36 divisors (see below), whose sum is σ = 5555117988. Its totient is φ = 1316390400.

The previous prime is 2891842087. The next prime is 2891842157. The reversal of 2891842148 is 8412481982.

It can be written as a sum of positive squares in 6 ways, for example, as 426918244 + 2464923904 = 20662^2 + 49648^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 20048 + ... + 78648.

It is an arithmetic number, because the mean of its divisors is an integer number (154308833).

Almost surely, 2^2891842148 is an apocalyptic number.

It is an amenable number.

2891842148 is a deficient number, since it is larger than the sum of its proper divisors (2663275840).

2891842148 is a wasteful number, since it uses less digits than its factorization.

2891842148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58704 (or 58689 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 2891842148 is about 53775.8509742059. The cubic root of 2891842148 is about 1424.7047132895.

The spelling of 2891842148 in words is "two billion, eight hundred ninety-one million, eight hundred forty-two thousand, one hundred forty-eight".