2773965344832 has 448 divisors, whose sum is σ = 9213114009600. Its totient is φ = 810724239360.

The previous prime is 2773965344791. The next prime is 2773965344869. The reversal of 2773965344832 is 2384435693772.

2773965344832 is a `hidden beast` number, since 2 + 7 + 7 + 3 + 96 + 534 + 4 + 8 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2773965344832.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 641080653 + ... + 641084979.

Almost surely, 2^{2773965344832} is an apocalyptic number.

2773965344832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773965344832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4606557004800).

2773965344832 is an abundant number, since it is smaller than the sum of its proper divisors (6439148664768).

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

2773965344832 is a wasteful number, since it uses less digits than its factorization.

2773965344832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551 (or 5535 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 63.

The spelling of 2773965344832 in words is "two trillion, seven hundred seventy-three billion, nine hundred sixty-five million, three hundred forty-four thousand, eight hundred thirty-two".