2774263648 has 24 divisors (see below), whose sum is σ = 5881973328. Its totient is φ = 1280429184.

The previous prime is 2774263621. The next prime is 2774263649. The reversal of 2774263648 is 8463624772.

It is a super-3 number, since 3×2774263648³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774263649) 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 3 ways as a sum of consecutive naturals, for example, 3334036 + ... + 3334867.

It is an arithmetic number, because the mean of its divisors is an integer number (245082222).

Almost surely, 2^2774263648 is an apocalyptic number.

It is an amenable number.

2774263648 is an abundant number, since it is smaller than the sum of its proper divisors (3107709680).

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

2774263648 is a wasteful number, since it uses less digits than its factorization.

2774263648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668926 (or 6668918 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 49.

The square root of 2774263648 is about 52671.2791566713. The cubic root of 2774263648 is about 1405.1280723161.

The spelling of 2774263648 in words is "two billion, seven hundred seventy-four million, two hundred sixty-three thousand, six hundred forty-eight".