2774649555 has 12 divisors (see below), whose sum is σ = 4809392640. Its totient is φ = 1479813072.

The previous prime is 2774649547. The next prime is 2774649557. The reversal of 2774649555 is 5559464772.

It is a happy number.

2774649555 is a `hidden beast` number, since 2 + 7 + 7 + 46 + 49 + 555 = 666.

2774649555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2774649555 - 2³ = 2774649547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2774649557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30829395 + ... + 30829484.

It is an arithmetic number, because the mean of its divisors is an integer number (400782720).

Almost surely, 2^2774649555 is an apocalyptic number.

2774649555 is a deficient number, since it is larger than the sum of its proper divisors (2034743085).

2774649555 is a wasteful number, since it uses less digits than its factorization.

2774649555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61658890 (or 61658887 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The square root of 2774649555 is about 52674.9423825029. The cubic root of 2774649555 is about 1405.1932215697.

The spelling of 2774649555 in words is "two billion, seven hundred seventy-four million, six hundred forty-nine thousand, five hundred fifty-five".