2773749366 has 64 divisors (see below), whose sum is σ = 6384015360. Its totient is φ = 891764640.

The previous prime is 2773749353. The next prime is 2773749401. The reversal of 2773749366 is 6639473772.

It is a happy number.

2773749366 is a `hidden beast` number, since 27 + 73 + 7 + 493 + 66 = 666.

It is a super-3 number, since 3×2773749366³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528045 + ... + 533271.

It is an arithmetic number, because the mean of its divisors is an integer number (99750240).

Almost surely, 2^2773749366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773749366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192007680).

2773749366 is an abundant number, since it is smaller than the sum of its proper divisors (3610265994).

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

2773749366 is a wasteful number, since it uses less digits than its factorization.

2773749366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5580 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 54.

The square root of 2773749366 is about 52666.3969339084. The cubic root of 2773749366 is about 1405.0412412593.

The spelling of 2773749366 in words is "two billion, seven hundred seventy-three million, seven hundred forty-nine thousand, three hundred sixty-six".