2773816745472 has 640 divisors, whose sum is σ = 8762730577920. Its totient is φ = 864502087680.

The previous prime is 2773816745431. The next prime is 2773816745473. The reversal of 2773816745472 is 2745476183772.

2773816745472 is a `hidden beast` number, since 2 + 7 + 7 + 3 + 8 + 16 + 74 + 547 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773816745473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2947732522 + ... + 2947733462.

It is an arithmetic number, because the mean of its divisors is an integer number (13691766528).

Almost surely, 2^{2773816745472} 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 2773816745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4381365288960).

2773816745472 is an abundant number, since it is smaller than the sum of its proper divisors (5988913832448).

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

2773816745472 is a wasteful number, since it uses less digits than its factorization.

2773816745472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1169 counting only the distinct ones).

The product of its digits is 110638080, while the sum is 63.

The spelling of 2773816745472 in words is "two trillion, seven hundred seventy-three billion, eight hundred sixteen million, seven hundred forty-five thousand, four hundred seventy-two".