2838621750445 has 12 divisors (see below), whose sum is σ = 3688528618836. Its totient is φ = 2096212984320.

The previous prime is 2838621750443. The next prime is 2838621750451. The reversal of 2838621750445 is 5440571268382.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 435941947081 + 2402679803364 = 660259^2 + 1550058^2 .

It is not a de Polignac number, because 2838621750445 - 2¹ = 2838621750443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838621750443) 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 11 ways as a sum of consecutive naturals, for example, 1679656996 + ... + 1679658685.

It is an arithmetic number, because the mean of its divisors is an integer number (307377384903).

Almost surely, 2^{2838621750445} is an apocalyptic number.

It is an amenable number.

2838621750445 is a deficient number, since it is larger than the sum of its proper divisors (849906868391).

2838621750445 is a wasteful number, since it uses less digits than its factorization.

2838621750445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359315712 (or 3359315699 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 2838621750445 in words is "two trillion, eight hundred thirty-eight billion, six hundred twenty-one million, seven hundred fifty thousand, four hundred forty-five".